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Novosadov [1.4K]
3 years ago
12

Connie owns x books. Her friend Alma owns

Mathematics
1 answer:
denis23 [38]3 years ago
5 0

Answer:

39 books

Step-by-step explanation:

Solve the equation in order of PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction)

2(16) + 7

Multiply 2(16) first.

2(16) = 32

Then add 7.

32 + 7 = 39

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Y = 7x + 20<br> 4x - y = -11<br> solve by substitution
GuDViN [60]

Answer:

x = - 3, y = - 1

Step-by-step explanation:

y = 7x + 20 -----> equation 1

4x - y = - 11

4x - ( 7x + 20 ) = - 11

4x - 7x - 20 = - 11

- 3x = - 11 + 20

- 3x = 9

x = 9 / - 3

x = - 3

Substitute x = - 3 in equation 1,

y = 7 ( - 3 ) + 20

  = - 21 + 20

y = - 1

Hence,

x = - 3

y = - 1

5 0
2 years ago
Read 2 more answers
McSaw’s Ice Cream makes muffins that cost $.60 each. Past experience shows that 10% of the muffins will become stale and have to
allochka39001 [22]
Well, due to that 10% of the muffins get wasted and do not sell,
plus work that goes into it, the price of the ice-cream is  not 0.60,
but 55% more, or markup above that cost value

so... how much would each muffin sell for? well, each muffin will be,
0.60 + 55% of 0.60

how much is 55% of 0.60?
{{ 55}}\%\ of\ 0.60 \implies  \cfrac{{{ 55}}}{100}\cdot 0.60\implies {{ 55}}\div 100\cdot 0.60

get the 55%, and add it to the 0.60, that's how much each will sell for
7 0
3 years ago
Add: 7,288 + 6,627 + 4,515
PIT_PIT [208]
18,430! I hope this helps you out!
5 0
3 years ago
Rotation,<br> glide reflection,<br> reflection,<br> translation.
Vilka [71]

Answer:

it appears to have TRANSLATED

8 0
3 years ago
Find the measure of the missing side. Round your answer to the nearest tenth. (PYTHAGOREAN THEOREM)
Burka [1]

Answer:

Rounded to the nearest tenth, the length of the missing side is 5.4 in.

Step-by-step explanation:

According to the Pythagorean theorem, a^{2}+b^{2}=c^{2}, where c is the length of the hypotenuse (the longest side), a and b are the lengths of the other two sides. We can use this to solve for the length of the hypotenuse of the right triangle shown in your question (the missing side):

2^{2}+5^{2}=c^{2}

This simplifies to 29=c^{2}. Now to solve for c (the length of the hypotenuse), we just take the square root of both sides of the equation and solve like so:

\sqrt{29} =\sqrt{c^{2}}

This simplifies to c≈5.4 in.

7 0
3 years ago
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