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Mashcka [7]
2 years ago
13

Evaluate the expression for the given value of the variable 5 ×(h+3) for h=7

Mathematics
1 answer:
Bad White [126]2 years ago
5 0

Answer:

<h2>50</h2>

Step-by-step explanation:

Put h = 7 to the expression 5 · (h + 3):

5\cdot(7+3)=5\cdot10=50

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Which values represent solutions to the equation?
AleksAgata [21]

Answer:

B

Step-by-step explanation:

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2 years ago
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Solve the equation to find the value of m and n.<br> 2m + 3n = -5<br> 5m + 3n = 1
Leokris [45]

Answer:

m = 2, n = - 3

Step-by-step explanation:

Given the 2 equations

2m + 3n = - 5 → (1)

5m + 3n = 1 → (2)

Subtract (2) from (1) term by term to eliminate n

2m - 5m = - 5 - 1

- 3m = - 6 ( divide both sides by - 3 )

m = 2

Substitute m = 2 into either of the 2 equations and solve for n

Substituting into (1)

2(2) + 3n = - 5

4 + 3n = - 5 ( subtract 4 from both sides )

3n = - 9 ( divide both sides by 3 )

n = - 3

3 0
2 years ago
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The diagram below shows a sign that Annie designed. It is made of two circles that share the same center. Annie wants to use str
Pavel [41]

132 in

Step-by-step explanation:

  • Take the total radius = 18+3 = 21= R (say)
  • Simply use the formula for the circumference i.e. 2*pi*R
  • 2*22/7*21= 132
3 0
2 years ago
4h+7=4h-3 i think i have it but im not sure 100% so i need hlp
SSSSS [86.1K]

                                                 <u>4h + 7 = 4h - 3</u>

Subtract  4h  from each side:            7 = -3

There is no value of  ' h ' that can make this a true statement,
so the equation has no solution.


5 0
3 years ago
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Statistics endeavors to: Choose one • 10 points a. Calculate means b. Make correlations c. To be used by experts d. All of the a
Daniel [21]

Answer:

d. All of the above

Step-by-step explanation:

a. Statistics provides the tool to measure the central tendency of a given data. One of such measure is the statistical mean popularly referred to as the mean.

b. The correlation between variables can be determined by the use of statistical tools. correlation is the degree to linearity between variables,

c. Experts in different fields from Accounting to Zoology make use of statistics in their analysis.

From the above analysis, it can be safely concluded that all of the above (i.e. option d.) is correct.

3 0
3 years ago
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