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Artyom0805 [142]
2 years ago
13

Evaluate the expression when a = -6 and c=7. C-8a

Mathematics
1 answer:
daser333 [38]2 years ago
3 0

Answer:

55

Step-by-step explanation:

Given the following question:

c-8a
c=7
a=-6

Substitute and solve by using PEMDAS:

c-8a
7-8(-6)
8\times-6=-48
7--48
7--48=55
=55

Your answer is "55."

Hope this helps.

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Consider the expression 35.86 divided by 2.2 .
Anastasy [175]

Answer:

  • a = 100, b = 100
  • 16.3

Step-by-step explanation:

<h3>Part A</h3>
  • a = 100 will convert the number on the numerator to whole number
  • b = 10 will convert the number on the denominator to whole number

But we need a = b in order not to change the value of the fraction, therefore we choose

  • a = b = 100
<h3>Part B</h3>

Multiplying both numerator and denominator by 100 will make the fraction:

  • 35.86*100/2.2*100 =
  • 3586/220 =
  • 16 66/220 =
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3 0
3 years ago
A non-profit organization provides homeless children with backpacks filled with school supplies. For the last 5 years the organi
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Answer:

  290.6 backpacks per year

Step-by-step explanation:

The average of 5 numbers is 1/5 of their sum:

  average = (278 +310 +320 +242 +303)/5 = 290.6

The average number of backpacks given out in the last 5 years is 290.6, about 291.

3 0
3 years ago
Please answer this question
lana66690 [7]

Answer:

b (0, 4)

Step-by-step explanation:

The other options already have an input (the x) in the function so it must be b.

Las otras opciones ya tienen una entrada (la x) en la función, por lo que debe ser b.

8 0
2 years ago
Which of the lines graphed has a slope of 3 and a y-intercept of 2?​
marshall27 [118]

Answer:

Step-by-step explanation:

I can't really see the graphs very well but it is either A or B.

If you want to find your answer, see which line starts at 2 on. the y line. From there using your finger go up 3 and right 1

3 0
3 years ago
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The formula for the volume of a cone is V =1/3 pi*r^2h. If the radius (r) is doubled and
pishuonlain [190]
V = 1/3* h * r^3 pi
V ' = 1/3* h/3* (2r)^3 pi = h/9 * 8r^3 * pi

V ' / V = (h/9 * 8r^3 * pi)  ÷ ( 1/3* h * r^3 pi ) = (8 * 3)/ 9 = 8 /3


5 0
2 years ago
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