What the missing length

Answers

Answer 1

Answer: the height is 7 the formula. B*H*.5 so 10*7=70, and the half of 70 is 35 or 75*.5=35

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Which pair of ratios is proportional? A. Equation B. Proportion C. Equation D. Equation

Answers

A proportion is when a pair of ratios are proportional.

Answer: B. proportion

The answer is B. Proportion.

In baseball batting averages are expressed as decimal numbers if the player has had 8 hits out of 20 a bats what is his batting average and what percentage of the time does the player get a hit

Answers

To find the batting average divide the number of hits by the number of at bats.
Batting average = 8 / 20 = 0.400, which equals 40% of the time they get a hit.

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.12 kg to 28 kg

Answers

Answer:

28/12

Step-by-step explanation:

What is 25% of $500.00? I think the answer is $475.00 Can someone verify if twenty five percent of 500.00 is $475.00

Answers

If you take 500 and multiply by .25 or 25 percent you will get $125

I believe that the answer is $375.00 because 0.25=25%•500=125 and 500-125=375

What are the solutions to the following system of equations?y = x2 + 12x + 30
8x − y = 10

(−4, −2) and (2, 5)

(−2, −4) and (2, 5)

(−2, −4) and (5, 2)

No Real Solutions

Answers

y = 8 x - 10
x² + 12 x + 30 = 8 x - 10
x² + 4 x + 40 = 0
and because the discriminant is: D = b² - 4 ac = 16 - 160 = - 144 < 0
answer is: D ) No real solutions

Answer:

no real solutions

Step-by-step explanation:

y = x^2 + 12x + 30

8x − y = 10 are out 2 equations.

1. -8x from both sides in this 8x − y = 10 equation.

we are left with -y=-8x+10. multiply both sides by -1: y=8x-10.

2. Plug in one of the two equations for the other's y variable:

8x-10=x^2 +12x +30.

3. solve: +10 to each side, and -8x from each side:

x^2 +4x + 40 = 0

4. use discriminant formula: b^2-4(a)(c)

(4)^2 - (4)(1)(40): 16-160=-144.

5. Because the answer is negative, there is two complex solutions. But bc in every complex solution there is an imaginary number, and bc imaginary numbers cannot be graphed, the answer is "NO REAL SOLUTIONS."

hope this helps :)

A soft drink manufacturer produces 3120 cans in an 8 hour day. Cans are packaged 24 to a case. How many cases are produced each week? Each month? (Assume one week is 40 hours and one month is four weeks )

Answers

Week: 3120 x 5 = 15,600 cans ÷ 24 = 650 cases

Month: 650 x 4 = 2,600 cases

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