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tigry1 [53]
3 years ago
8

Which test could you use to prove these triangles are congruent

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:

hypotenuse-leg

youll neever have "ssa" or "a.s.s"

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What is the total area, in square inches, of the shaded sections of the trapezoid below? 5.5 in 5.5 in 6.4 in 5.2 in​
Anni [7]

Answer:

Step-by-step explanation:

A = ½(5.5)(6.4) + ½(5.5)(5.2)

A = ½(5.5)(6.4 + 5.2)

A = ½(5.5)(11.6)

A = 31.9 in²

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The Garcia family and the Johnson family each used their sprinklers last summer. The Garcia family's sprinkler was used for 20 h
VladimirAG [237]

W is the time Woody family used sprinkler.

C is the time Carter family used sprinkler.

Time used total: 50 hours.

W+C = 50                                 (1)

Total water used is 1900 L.

Woody family used: 40W;

Carter family used 35C.

Equation showing how much water both families used:

40W + 35 C =1900.                   (2)

We have a system with two equations and two variables. We can use substitution method to solve the system. From equation (1) we express W:

W=50 - C.                                              (1a)

We substitute the variable in equation (2):

40(50 - C) +35C =1900.

We open the parenthesis

2000 -40C +35C =1900,

We combine like terms

2000 -5C =1900,

We subtract 2000 from both sides of the equation

-5C = 1900 - 2000,

We simplify

-5C = -100,

We divide by -5

C = 20.

We substitute the values of C in the equation (1a) and find the value of W:

W = 50 - C,

W = 50 -20 =30.

The Woody family used water for 30 hours and the Carter family used water for 20 hours.

We check our work to be sure we did not make any mistakes:

Total water used:

40 x 30 + 35 x 20 = 1200 + 700 = 1900 L.

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3 years ago
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Step-by-step explanation:

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16 - 9 = x

Step-by-step explanation:

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A container holds 425 grams of bread crumbs. For every 1 ounce, there are approximately 28.3 grams.
Rasek [7]

Answer:

15 oz

Step-by-step explanation:

425/28.3 = 15.02 oz or 15 oz

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2 years ago
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