if l || m, solve for x and y

I NEED HELP ASAP

Answer:

x = -1

Step-by-step explanation:

Now we have to,

→ find the required value of x.

The equation is,

→ -10 + x + 4 - 5 = 7x - 5

Then the value of x will be,

→ -10 + x + 4 - 5 = 7x - 5

→ -11 + x = 7x - 5

→ 7x - x = -11 + 5

→ 6x = -6

→ x = -6/6

→ [ x = -1 ]

Hence, the value of x is -1.

The numeric values for the population function are given as follows:

To obtain the numeric value of a function or of an expression, each instance of the input variable in the function or in the expression is replaced by the value at which we want to find the numeric value.

The function giving the population after t years is defined as follows:

[tex]P(t) = \frac{340}{1 + 6e^{-0.45t}}[/tex]

The initial population is the numeric value at t = 0, that is, the lone instance of t is replaced by zero, hence:

[tex]P(0) = \frac{340}{1 + 6e^{-0.45(0)}} = \frac{340}{7} = 49[/tex]

After eight years, the population is given by the numeric value at t = 8, hence:

[tex]P(8) = \frac{340}{1 + 6e^{-0.45(8)}} = 292[/tex]

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Answer:

yeah i think so

Answer:

$11.96

Step-by-step explanation:

Now we have to,

→ find the 23% of $52.

Let's solve the problem,

→ 23% of $52

→ (52/100) × 23

→ 0.52 × 23

→ $11.96

The similar expression is,

→ 0.23 × 52

→ $11.96

Hence, answer is $11.96.

Answer:

The answer is 33,710 euros.

Step-by-step explanation:

Start by multiplying 45,550 by 6%. This will give 2,730. over the next three years the price decreases, so multiply 2,730 by 3, which is 8,190. Finally, subtract 45,550 by 8,190 to get 33,710.

154.5

Step-by-step explanation:

left triangle and right triangle has the same degree.

M to Q 107/2 = P to R 53.5

O to N 110/2 = R to Q 55

Find X

M to N 92/2 = P to Q 46

Perimeter- 53.5+ 55+ 46= 154.5

Answer:

1/3

Step-by-step explanation

We can immediately tell the y-intercept is 1/3.

Slope intercept form:

y = mx + b

m = slope

b = y-intercept.

Answer: the y - intercept is 1/3

Step-by-step explanation: trust

Answer:

£3,774

Step-by-step explanation:

629 students at a school each pay £6 to go on a school trip. How much money do they pay in total?

629 * £6 = £3,774

Answer:

no of students= 629

amount paid each =£6

amount paid by all the students =no of students × amount paid each

:: 629

× 6

£3774

The number of shares he buy is $615.

Given that Barney just bought stock in Purple Dinosaur Industries and he paid a total of $7,380 and the price of the stock is $12 for one share.

We want to find the number of shares Barney buys.

The total amount barney should pay is $7380.

The price of the stock for one share is $12.

The total number of shares barney buy is 7380/12=615.

Hence, the number of shares barney should buy when he paid a total $7380 and the price of stock for one share is $12 is $615.

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Answer: 1424850

Step-by-step explanation:

2.3 x 10³ = 2300

5.9 x 105 = 619.5

2300 x 619.5 = 1424850

Pls thank and rate <3 (and branliest if ok with u :)))

The value of y is 24 when x is 7.

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

Given,

There are direct variations

y= 24 when x=2

We need to find value of y when x =7

This can be found by forming an equation.

Let the value of unknown y be a

2/24=7/a

Apply cross multiplication

2a=24(7)

2a=168

We need to divide by 2 on both sides

a=24

Hence the value of y is 24 when x is 7.

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The table for the linear equation is summarized below:

d                         t

3                        13

4                        18

5                        23

6                        28

In this problem we have a two-column table associated to a linear function, the first column of the table represent a set of values of the domain (d) of the function and the second column of the table is for the set of values of the range (t) of the same. We need to fill the second column of the table with the values associated with the range:

d = 3

t = 5 · 3 - 2

t = 15 - 2

t = 13

d = 4

t = 5 · 4 - 2

t = 20 - 2

t = 18

d = 5

t = 5 · 5 - 2

t = 25 - 2

t = 23

d = 6

t = 5 · 6 - 2

t = 30 - 2

t = 28

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y=1/58x

because in 3 hours its 174 miles.

let y=miles

x=time

so 174y=3x

divide by 3 on both sides

58y=x

isolate y by dividing by 58 on both sides

therefore you get the answer

The simplification of the trigonometric expression (sec(t) - cos(t))/sin(t) is; tan (t)

There are different trigonometric ratios such as;

sin x

tan x

cos x

sec x

cosec x

cot x

Now, we want to simplify the trigonometric expression;

(sec(t) - cos(t))/sin(t)

We know that;

sec (t) can be written as 1/cos t

Thus;

(sec(t) - cos(t))/sin(t) = [(1/cos t) - cos t]/ sin t

= (1/(sint cos t) - cos t/ sin t

= (1 - cos²t)/(sin t cos t)

= sin²t/(sin t cos t)

= sin t/cos t

= tan t

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The time it takes to paint the whole bookcase is 50 minutes.

From the information, Wilson paints 40% of a bookcase in 20 minutes.

Let the time taken to paint the whole bookcase be x. This will be illustrated as:

20/x = 40/100

Cross multiply

40x = 100 × 20

40x = 2000.

Divide

x = 2000 / 40

x = 50

The time taken is 50 minutes.

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The star asterisk in the fraction 12*/23* is being replaced by all the possible values as outlined

1 to be 11/21

2 to be 61/116

4 to be 62/117

5 to be 25/47

6 to be 63/118

8 to be 64/119

0 to be 12/23

In mathematics, a fraction is represented by a number that identifies a portion of a whole. A fraction is a chunk or section taken from a whole, which can be any number, and can represent any amount.

The fractions with different numerators and denominators when compared with another fraction but the same value with the fraction are said to be equivalent fractions.

The asterisk value is replaced with digit in each case, and the fraction formed is reduced to their equivalent forms as below

12*/23* * replaced by 1 and reduced to be 11/21

12*/23* * replaced by 2 and reduced to be 61/116

12*/23* * replaced by 4 and reduced to be 62/117

12*/23* * replaced by 5 and reduced to be 25/47

12*/23* * replaced by 6 and reduced to be 63/118

12*/23* * replaced by 8 and reduced to be 64/119

12*/23* * replaced by 0 and reduced to be 12/23

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Using the concepts of hypothesis test, we got that something is happening that wasn’t accounted for as a result when a significant chi-square value is obtained.

A chi-squared test (symbolically represented as χ2) is basically the data analysis on the basis of the observations of a random set of variables. Usually, it is the comparison of two statistical data sets. This test was introduced by Karl Pearson in the 1900 for categorical data analysis and distribution. So it was mentioned as a Pearson’s chi-squared test.

The chi-square test is actually used to estimate how likely the observations that are made would be, by considering assumption of the null hypothesis as true.

Hence, a study is designed to test whether there is a relationship between natural hair colors and eye colors, in that case if a significant chi-square value is obtained it suggests that something is happening that wasn’t accounted for .

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Answer:

C = 30pi inches

Step-by-step explanation:

The radius is 15 inches (said so in the question)

The diameter is 30 inches (The diameter is twice the radius)

The circumference is

C = pi•d

C = pi•30

C = 30pi

The circumference is 30pi inches.

Answer:

665-09

Step-by-step explanation:

In the given square, the values of f and g are equal that is 4√3cm.

So, the values of f and g are:

The area of ABCD is 48cm².

Then,

Since f and g are 2 sides of the square, their values are 4√3cm.

Therefore, in the given square, the values of f and g are equal that is 4√3cm.

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Sally purchased 7 pieces of orange .

Conversion applied :

1 dollar = 100 cents

Cost of 1 piece of orange = 51 cents

Cost of 1 piece of apple = 42 cents

Let pieces of orange purchased be x .

⇒ pieces of apples purchased = 11 - x .

The following linear equation becomes ,

51 x + 42 ( 11 - x ) = 5.25 * 100

Solving linear equation in 1 variable given above ,

9 x = 63

x = 7

⇒ no. of oranges purchased = 7

Therefore Sally purchased 7 pieces of orange .

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Answer:

22

Step-by-step explanation:

The equation which represents the sentence given; Half the difference of a number and 5 is−2 is; 1/2(x - 5) = -2; 1 half left parenthesis x minus 5 right parenthesis equals negative 2.

It follows from the task content that the expression which best represents the given algebraic expression is to be determined.

First, the difference of a number, x and t is represented as; (x - 5).

Hence, the word phrase; Half the difference of a number and 5; is best represented algebraically as; 1/2(x - 5).

Ultimately, the whole word phrase; Half the difference of a number and 5 is -2 can best be represented as; 1/2(x - 5) = -2.

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Answer:

5 11/16 as a decimal = 5.6875

7 24/25 as a decimal is 7.96

Step-by-step explanation:

Answer:

5 11/16 = 5.6875

7 24/25 = 7.97

Step-by-step explanation:

you keep the whole numbers then you turn the fractions into decimals so to do that you divide 100 by the denominator and whatever the answer is you multiply it by the numerator to get your answer, 100 divided by 16 is 6.25 and 6.25 multiplied by 11 is 68.75 but since the 5 is already the whole number you basically just forget the decimal in 68.75 ( I hope that makes sense)

And for 7 24/25 you do 100 divided by 25 and that’s 4 so now you multiply 24 by 4 and that’s 96 so that goes after the decimal so it’s 7.96 (I hope that helped and all made sense.)

Step-by-step explanation:

8x + 24 is a simplified expression.

It is not an equation, so it can't be solved.

There are two terms in 8x + 24, 8x and 24.

The two terms are unlike terms, so they cannot be combined together.

Answer:

locations of A are 7, 17

Step-by-step explanation:

since B is positioned at 12 and AB = 5 , then

A = 12 - 5 or 12 + 5 = 7 , 17

The increasing exponential functions are described as follows:

f(t) = a(1 + r)^t.

In which the parameters are listed as follows:

For the old factory, the function is of:

p (w) = 230(1.1)^w.

Hence:

For the new factory, from the graph given at the end of the answer, the parameters are given as follows:

Hence the function is:

pn(w) = 190(1.1578)^w.

The new factory overtakes the old factory when:

pn(w) > p(w)

190(1.1578)^w > 230(1.1)^w

(1.1578/1.1)^w > 230/190

wlog(1.1578/1.1) > log(230/190)

w > log(230/190)/log(1.1578/1.1)

w > 3.73 weeks.

The graph for the second factory is given by the image presented at the end of the answer.

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Nine (9) cards must be selected from the standard 52 deck to guarantee that at least three cards are chosen from the same suit.

What is the pigeon-hole approach?
According to the pigeonhole principle, at least one container must hold more than one item if n things are placed into m containers, where n > m. For instance, if one possesses three gloves but none of them are ambidextrous or reversible, then there must be at least two right-handed gloves or at least two left-handed gloves since there are three items but only two categories of handedness. It is possible to establish potentially surprising consequences using this seemingly obvious assertion, a type of counting argument.

The standard 52 deck has 4 suits of 13 cards each, thus as per n pigeons need to be extracted from p = 4 pigeon-holes; as per established literature above.
∴ [(n - 1) / p] + 1 = 3 ⇒ [(n - 1) / 4] + 1 = 3 ⇒ n - 1 = 8 ⇒ n = 8 + 1 ⇒ n = 9
Therefore, nine (9) cards must be selected from the standard 52 deck to guarantee that at least three cards are chosen from the same suit.

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The transformation of the equation f(x) = -2|x + 1| + 5 is

Shift Left 1 units

Shift Up 5 units

Compress by a factor of 2

Reflect over x axis

Transformation involves movements of image or object usually described in a cartesian plane

starting from |x| at the origin

|x + 1| is a shift to the left 1 unit

|x + 1| + 5 is a shift on the y axis, it represents a shift up 5 units

2|x + 1| + 5 is a vertical compression by a factor of 2  

-2|x + 1| + 5 the negative sign shows reflection over x axis turning the graph over

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The graph is attached and the table of value of the graph is as follows

x     y

-4   12

0    4

5    -6

The function y = −2x + 4 is a linear function and will have a straight line graph

The table of values is gotten form the equation y = −2x + 4

solving for x = -4,

y = −2 * -4 + 4 = 12

solving for x = 0

y = −2 * 0 + 4 = 4

solving for x = 5,

y = −2 * 5 + 4 = -6

x     y

-4   12

0    4

5    -6

The graph is plotted by finding the points in the table in the Cartesian plane and joining the points together

Other values are solved for in similar step

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Answer:Here is your answer

Step-by-step explanation: