What is the x - and y - intercepts of -3y = 7x - 21

Answer:

B.

Step-by-step explanation:

The angles of a triangle are supplementary, meaning that they have a sum of 180 degrees. B is the only answer where the angles add up to 180.

26 + 107 + 47 = 180

Answer:

The ten packs

Step-by-step explanation:

If he buys the ten pack, he would spend $72

If he buys the 6 pack, he would spend $75

Therefore, he should buy the ten packs

Answer: Bens brother is dead

Step-by-step explanation:

Sad,sad,sad

Answer:

Which last question?

Answer:

what question??? there's no image

So, if you divide 125 by 5 you get 25

and if you divide 120 by 6 you get 20

So B is more better

Answer: Good afternoon fellow student, to answer your question

125 divided by 5 = 25

120 divided by 6 = 20

The answer is A

Step-by-step explanation:

Hope this helps!

:)

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Answer:

Answer A

Step-by-step explanation:

All I had to do was look up a Congruent Figure.

Answer:

-29>(5*x)-10

Step-by-step explanation:

Answer:

-29 >  5x - 10

Step-by-step explanation:

Since it says PRODUCT in there it means its times

so 5x

x = a number

ten subtracted from that would be

5x - 10

and since its going to be less than -29 that would be <-29

-29 > 5x - 10

sorry if Im wrong

Answer:

I think. its below

Step-by-step explanation:

1 x 8 = 8

4 x 8 = 32

If Ann broke up a large array into two smaller arrays. The two smaller arrays show 1 X 8 and 4 X 8 then 40 is Anna started array.

Multiplication is a method of finding the product of two or more numbers

Given,

Ann broke up a large array into two smaller arrays.

Th first smaller array show  1 X 8

The second smaller array show  4 X 8.

First smaller array show  1 X 8

=8

Second smaller array show  4 X 8.

32

Now let us add both the arrays

32+8=40

Hence, 40 is the  large array that Ann started.

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Answer:

0.9648

Step-by-step explanation:

Given that:

p = 0.2

Sample size = Number of trials (n) = 15

Probability that atleast one person is infected.

This can be solved using the binomial probability function :

P(x = x) = nCx * p^x * (1 - p)^(n-x)

P(x ≥ 1) = p(1) + p(2) + p(3) +... + p(15)

The sum of the individual probabilities of p(1) up to p(15)

Therefore, to save computation time, we can use the binomial probability calculator :

P(x ≥ 1) = 0.9648

Answer:

C. 4

Step-by-step explanation:

To simplify this expression remember that adding a negative number is the same as subtracting it. So a+(-b)=a-b, this means 7+(-3)=7-3. 7-3 is 4, so C is correct.

Answer:

i think its C but let me know if im wrong

Answer:

-9

Step-by-step explanation:

The  value of  7(1 + r) is -56.

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions printed on the left and right sides. We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved. A statement is not an equation if it has no "equal to" sign.

Given:

- 24 = 3(1 + r)

Now, solving for r

Divide both side by 3

-24/ 3 = 3(1 +r)/3

-8= 1+ r

Subtract 1 from both side

-8 -1 = 1 + r -1

r=-9

Now, 7(1 + r)

=7(1 -9)

=7(-8)

=-56

Hence, the value of  7(1 + r) is -56.

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Answer:

e

Step-by-step explanation:

2

Answer:

Y= -1/3x +2.5

step-by-step explanation:

first I reconfigured the given equation: x+3y=15

-x+x+3y=15 -x  Subtracted x from both sides

3y=15-x            Simplify

3y/3=15-x/3      Divide both sides by 3

y=-1/3x+3          Simplify

I turned it into y=-1/3x+5

then I translated the line up and down to find what point crossed (6,1)

The proper value for B in y=mx+b was 2.5

Try using Desmos online calculator it really helps

Hope this helped :)

Answer:

W = O/U

Step-by-step explanation:

U/1 = O/W

WU=O

W = O/U

The hourly compensation per worker is given by formula W = O/U.

Given,

U = O/W

U = Factory unit cost.

O =  Hourly output per worker.

W = Hourly compensation per worker.

Now,

Rearranging to get hourly compensation per worker,

Hourly compensation per worker will be given by Hourly output per worker divided by Factory unit cost.

So,

Formulating the statement into the formula to highlight the hourly compensation per worker.

W = O/U

where,

W = Hourly compensation per worker.

O = Hourly output per worker.

U =  Factory unit cost.

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Answer:

I'm pretty sure it's 25 almonds per oats

Step-by-step explanation:

a unit rate means 1 per something. we can see that 2 oats lines up with 50 almonds, we can then divide that by the cups of oats (2) to get 25

Answer:

No solution

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define Systems

y = -3/5x + 2

3x + 5y = 15

Step 2: Solve for x

Substitution

Here we see that 10 does not equal 15.

∴ the systems has no solution.

Answer:

Step-by-step explanation:

Triangles AEB and CED are congruent as per SAS theorem since two sides are congruent and included angles are same as vertical angles

Answer: AD = 11 cm

DC = 12 cm

Step-by-step explanation:

Answer:

What?

Step-by-step explanation:

Is there an attachment?

Answer:

yes no yes yes

Step-by-step explanation:

please mark me brainliest

2x+3y-12=0

Step-by-step explanation:

Thats. That. boi. byś.

Answer:

4

Step-by-step explanation:

2(0) + 3y = 12

3y = 12

  4

Hopefully this helps you!!!

Answer:

The P-value is 80.23%

Step-by-step explanation:

Given;

number of samples, n = 64

sample mean, X = 1.03

standard deviation, σ = 0.189

[tex]sample \ mean \ (X) = \frac{Sum \ of \ samples}{number \ of \ samples \ -1} \\\\1.03 = \frac{Sum \ of \ samples}{64 -1}\\\\Sum \ of \ samples = 1.03(63)\\\\Sum \ of \ samples = 64.89[/tex]

Population mean (μ) is given as;

[tex]\mu = \frac{Sum \ of \ samples}{number \ of \ samples} \\\\\mu = \frac{64.89}{64} \\\\\mu = 1.01 \\[/tex]

The z-score is given as;

[tex]z = \frac{X -\mu}{\frac{\sigma}{\sqrt{n} } }\\\\z = \frac{1.03 -1.01}{\frac{0.189}{\sqrt{64} } }\\\\z = \frac{0.02}{\frac{0.189}{8} }\\\\z = 0.8466 \\[/tex]

z ≅ 0.85

From the z-table, the P-value at the given z-score is 0.8023 = 80.23%;

Answer:

make it make sense then could answer

Step-by-step explanation:

p=1140-n

.01p+.05n=17

.01(1140-n)+.05n=17

11.4-.01n+.05n=17

.04n=17-11.4

.04n=5.6

n=5.6/.04

n=140 the number of nickels

1140-140=1000 pennies

hope it helps!