What is the sum of 870-12.3

Answers

Answer 1
870-12.3 is 857.7
……

Related Questions

find the common factor of 24 and 48

Answers

Answer:

1, 2, 3, 4, 6, 8, 12, and 24

Greatest common factor is 24

Step-by-step explanation:

Answer:

There are 8 common factors of 24 and 48, that are 1, 2, 3, 4, 6, 8, 12, and 24. Therefore, the greatest common factor of 24 and 48 is 24

Step-by-step explanation:

hope it will help you

Jay went to am amusement park. The park charges an entrance fee of $10.50 and $4.50 for every ride. Jay spent 46.50 on entrance fees and rides. Which function can be used to find the number of rides he went on?

Answers

Let total number of rides be represented by x
And total amount spent on the ride and entry fees be y
Entry fees of the park = $10.50
Also, Charge for each ride is given to be $4.50
So, The linear function which describes the situation :
y = 10.50 + 4.50x
Now, Its given that Jay spent a total of $46.50 in the park
So, to find total number of rides taken substitute y = 46.50 in the above linear equation.
⇒ 46.50 = 10.50 + 4.50x
⇒ 4.50x = 36
⇒ x ≈ 8
Thus, Number of rides taken = 8

The expression two pi parentheses RH plus R to the power of two parentheses represents the total surface area of a cylinder with height H in radius R what is the surface area of the cylinder with a height of 6 cm and a radius 2 cm

Answers

Answer:

100.6cm2

Step-by-step explanation:

The mathematical expression wil become

[tex]2\pi(rh + {r}^{2} )[/tex]

The TSA of a cylinder is

[tex]2\pi \: rh + \pi {r}^{2} + \pi {r}^{2} [/tex]

When simplified, we have

[tex]2\pi \: rh + 2\pi {r}^{2} = 2\pi(rh + {r}^{2} )[/tex]

So indirectly, the expression is the same as total surface area of a cylinder.

So all you have to do is substitute the height and radius into any of the formulas .

[tex]2 \times \frac{22}{7} ( (2 \times 6) + {2}^{2} )[/tex]

[tex]2 \times \frac{22}{7} (12 + 4) \\ 2 \times \frac{22}{7} \times 16 \\ \frac{22 \times 2 \times 16}{7} \\ \frac{22 \times 32}{7} \\ \frac{704}{7} = 100.57 {cm}^{2} \\ = 100.6 {cm}^{2} [/tex]

Please help I cant do it and it is super late

Answers

The linear relationship should be
AGE
16 ,17 ,18 ,19 ,20

162,171,180,189,198
WEIGHT
His weight should be going up 9 pounds per birthday

6 + [-25 = (-3 + 2. 1)]

Answers

Answer:

6+[25=(-0.9)]

6+[-22.5]

-16.5

Step-by-step explanation:

the answe of this question will be -16.5

0.025 (q+2) = 2.81
I need help with this problem

Answers

the answer is q=110.4


HELP
don’t understand

Answers

The range of the plotted function is the set of y values that it takes on. The curve is continuous and ranges from y = -2 (at the leftmost point (-11, -2)) up to y = 10 (at the rightmost point (11, 10)).

However, the unfilled circle at the left endpoint means that y = -2 is not actually included in the range.

So the range in this case is -2 < y ≤ 10. (note the strict inequality on the left)

Emergency funds are important because they

Answers

Answer:

an emergency fund allows you to live for a few months if you lose your job or if something unexpected comes up that costs a fair chunk of money to cover

Answer:

If there ever was an emergency you will need money to pay/afford the injury

Step-by-step explanation:

The temperature in Delaware was -8 degrees at midnight, then decreased by 13 degrees. What was the temperature in the morning?

Answers

Answer:

-21 degress f

in the morning hope this helped bestie!!

36 - 8 = 1 + 3
a. true
b. false, 36 = 8 > 1 + 3
c. false, 36. 8 = 1 + 3.6
d. false, 36 = 8 < 1 + 3​

Answers

Hey there!

36 - 8 = 1 + 3

SOLVING FOR THE LEFT SIDE….

36 - 8

= 28

SOLVING FOR THE RIGHT SIDE….

1 + 3

= 3 + 1

= 4

So, this make your statement [false] because 28 ≠ 4 (Option B.)

The left side is bigger than the right side.

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Using a factor tree find all prime factors of 128

Answers

2,4,8,16,32,64,and 128

If sin (A + B) = 1 and cos (A - B) = 1, find A, B​

Answers

Step-by-step explanation:

sin (A + B) = 1 =sin 90

A+B=90 equation 1

cos (A - B) = 1=cos 0

A-B=0 equation 2

add 1 and 2

2A=90 A=45

2B=90 B=45

The truth table represents statements p, q, and r.

p q r q ∧ r
A T T T T
B T T F F
C T F T F
D T F F F
E F T T T
F F T F F
G F F T F
H F F F F
If p is false, which row represents when p ∨ (q ∧ r) is true?

E
F
G
H

Answers

Answer:

F is the answer .

Step-by-step explanation:

I am not sure

Answer:

A. E

Step-by-step explanation:

Please help i will give extra points:)

Answers

Answer:

difference is that at night temperature automatically increase so it's -6°F and at afternoon beacuse of sun temperature is high. and overall 12°F.

Step-by-step explanation:

please mark me brainliest

if 3^2x=1, then find the value of x​

Answers

Answer:

3x^2 -1 =0

a = 3 c = -1 and b = 0

Using the quadratic formula:

x = [-b +- sqr root (b^2 - 4ac)] / 2a

x = [-0 +- sqr root (0^2 - 4*3 *-1] / -2 * 3

x = +- sqr root (12) / -6

x = +2 * sqr root (3)  /-6

x1 = + sqr root (3)  / -3

x2 = -sqr root (3) / -3

Step-by-step explanation:

How to write 2.064 in expanded form

Answers

Answer:

2= 2

0= 0.0

6= 0.06

4= 0.004

Step-by-step explanation:

Help me!!!!!!!!!!! Help help help

Answers

Answer:

5 × [tex]\frac{1}{100}[/tex]

Step-by-step explanation:

[tex]4*100+2*10+3*1+6*\frac{1}{10}+x+9*\frac{1}{1000}=423.659\\4*100+2*10+3*1+6*0.1+x+9*0.001=423.659\\400+20+3+0.6+x+0.009=423.659\\423.609+x=423.659\\x=0.05\\\\50*\frac{1}{10}=5\\\\5*\frac{1}{100}=0.05\\\\50=50\\\\5*0.05=0.25[/tex]

what is a number to make the comparison true 8.219

Answers

Okay so I was looking at it and I think it’s 9

Two produce stores sell watermelons by the pound.
At Jack's store, he uses the equation y = 0.39x to calculate the cost of a watermelon that
weighs x pounds
At Molly's store, she charges $4.20 for a 12-pound watermelon and $5.25 for a 15-pound
watermelon.
If a watermelon weighs 20 pounds, at which store will the watermelon cost less, and by how
much?
.
A. Jack's store is less expensive by $0.80.
B. Jack's store is less expensive by $0.04.
C. Molly's store is less expensive by $0.80.
D. Molly's store is less expensive by $0.04.

Answers

Step-by-step explanation:

have a nice day sir...................

find the value of x

Answers

X= 130°

Step-by-step explanation:

From E, draw EF || AB || CD.

Now, EF || CD and CE is the transversal.

So; <DCE + <CEF = 180° [co. int. <s]

x° + <CEF = 180°

<CEF = (180° – x°).

Again, EF || AB and AE is the transversal.

So; <BAE + <AEF = 180° 01 [co. int. <s ]

105° + <AEC+ <CEF = 180°

105° +25° + (180° – x°) = 180°

x° = 130°

I hope I helped you^_^

PLEASE HELP WITH THIS ONE QUESTION

Answers

Answer:

2nd, 3rd and 4th answers are true

Step-by-step explanation:

[tex]1)false \\ \\ 2)16 {x}^{2} - 64 {y}^{2} \\ {4}^{2} {x}^{2} - {8}^{2} {y}^{2} \\ (4x - 8y)(4x + 8y) = > true \\ \\ 3) {x}^{2} - 169 \\ {x}^{2} - {13}^{2} \\ (x + 13)(x - 13) = > true \\ \\ 4) {9x}^{2} - 1 \\ {3}^{2} {x}^{2} - {1}^{2} \\ (3x - 1)(3x + 1) = > true \\ \\ 5)false[/tex]

The generally agreed-upon combination of factors that contribute to modern alcohol use includes:_________

Answers

Answer:

People turn to alcohol when they desire to get relief from their anxiety.

) Dan bought 5 new baseball trading cards to add to his collection. The next
day his dog ate half of his collection. There are now only 32 cards left.
How many cards did Dan start with ?

Answers

Answer:

Start by writing an equation with a a variable (call it X) to represent the number Dan started with.

 

He started with X, added 5 more, then his dog took half or divide by 2. He then ended up with 32. Solve:

 

(X +5)/2 = 32 Multiply each side by 2

X+5 = 64 Subtract 5 from both sides

X = 59

     

Answer:

59

Step-by-step explanation:

Let the Dan's baseball be x

When 5 added

(x + 5)

Dog ate half

(x + 5)/2

(x + 5)/2 = 32

(x + 5) = 32(2)

x + 5 = 64

x = 64 - 5

x = 59

simplify 3[tex]\frac{2}{5}[/tex]x3([tex]\frac{7}{5}[/tex])

Answers

Answer:

3 ^ 9/5

Step-by-step explanation:

Hope it helps!

f(x) = x - 2
g(x) = x2 + 1
Find (f - g)(2)
-93
-5
9
5

Answers

Answer:

(f - g)(2) = -3

Step-by-step explanation:

x - 2 - x2 + 1

2 - 2 - 2^2 + 1

2 - 2 - 4 + 1

0 - 4 + 1

-4 + 1

-3

It is good programming style to always use a for loop when the number of times to repeat the action is known. The following code uses a while loop that mimics what a for loop should do. Rewrite it using a for loop that accomplishes exactly the same thing.
myprod = 1;
i = 1;
while i <= 4
num = input('Enter a number: ');
myprod = myprod ⁎ num;
i = i + 1;
end

Answers

myprod = 1

num = input("Enter a number: ")

for i in range(1, 5):

myprod *= num

(–7b + 8c) – (12a + 14) + (5a + 5b)

Answers

Answer:

-2b - 7a + 8c - 14

Step-by-step explanation:

-(12a + 14 ) = -12a -14

-7b + 8c - 12a -14 + 5a + 5b

-2b - 7a + 8c - 14

What is the measure of angle 1?

Answers

Answer:

m < Angle one = 45°

Step-by-step explanation:

Angle one = (2x + 5)

135 + 2x + 5 = 180 (because angle is a straight line)

140 + 2x = 180

(140 - 140) + 2x = 180 - 140

2x = 40

2x/2 = 40/2

x = 20

2x + 5

2(20) + 5

40 + 5

45°

If
A = {a,g,h,q,l,m}
a. How many subsets does
A
have? Be sure to include the calculation you are using.
b. How many proper subsets does
A
have? Be sure to include the calculation you are using.

Answers

Answer:

Step-by-step explanation:

A has 6 elements therefore

a) A has [tex] 2^6[/tex] subsets, and

b) A has [tex]2^{6}-1[tex] proper subsets since we dont want the subset to be equal to A itself.

plzzzzzzzzz helppppp​

Answers

Answer:

The second and third boxes. m=-10/4 & -5/2 & the last one

Step-by-step explanation:

We know the answer is negative so we need to add a larger number to get the 3/4 to the negatives. 3-10= -7, so -10/4 and -5/2 is equal to -10/4

Answer:

The second one m= -10/4, the third one m= -5/2, and the last one -5/4+m= -15/4

Step-by-step explanation:

You find m by solving -7/4 - 3/4 = m. Thats the second option -10/4.

When you simplify, you get -5/2, the third option.

Finally, -5/4+m= -15/4 is equal to -15/4 -(-5/4)=m. Subract and you get -10/4. That makes the original equation equal to the last option.

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