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Setler [38]
3 years ago
8

Insert parentheses in Expression 2 so that it has a value of 10. Then show why your expression has a value of 10.

Mathematics
1 answer:
hodyreva [135]3 years ago
8 0
((9 + 3) * 5) / (2 + 4) =
(12 * 5) / 6 =
60/6 =
10
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Read the questions below (best gets 30 points)
myrzilka [38]

Answer:

2 is 67

3 is 45

4 is 71

6 is x(all angles)

7 is 28

8 is 33

3 0
4 years ago
Solve the following system : -x + 5y = 8 and 3x + 7y = -2
poizon [28]

-x + 5y = 8

multiply this equation by 3

-3x + 15y = 24

now add it to the other equation  ( elimination)

-3x + 15y = 24

3x + 7y = -2

-----------------------

0x  + 22 y = 22

divide each side by 22

y =1


substitute into -x + 5y =8  to find x

-x + 5(1) = 8

-x + 5 = 8

-x =3

divide by -1

x =-3

Answer (-3,1)

Choice A


4 0
4 years ago
Determine if
Gnesinka [82]

The values of a and b are 1/4 and 1/5 respectively

<h3>How to determine the true statement?</h3>

The function is given as:

16x^2 - 25y^2 = 1

The above function is a horizontal hyperbola.

A horizontal hyperbola that passes through the origin is represented as:

\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1

Rewrite 16x^2 - 25y^2 = 1 as

\frac{x^2}{1/16} - \frac{y^2}{1/25} = 1

By comparison, we have:

a^2 = \frac{1}{16}

b^2 = \frac{1}{25}

Solve for  a and b

a = \frac{1}{4}

b = \frac{1}{5}

Hence, the values of a and b are 1/4 and 1/5 respectively

Read more about hyperbola at:

brainly.com/question/27799190

#SPJ1

7 0
2 years ago
Vince has a dog washing business .he washed 8 dogs and earned a total of 119.92 how much doe he charge per dogs?
slava [35]

Answer:

14.99

Step-by-step explanation:

119.92/8

8 0
4 years ago
An animal shelter is putting together treat bags for each of the 48 dogs and 38 cats at the shelter. The material for each treat
notsponge [240]

Answer:

74.82

Step-by-step explanation:

48+38=86       86 X  0.87= 74.82

3 0
3 years ago
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