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irakobra [83]
3 years ago
8

What is the value of c?

Mathematics
2 answers:
Alex787 [66]3 years ago
8 0
THE ANSWER IS 5

HOPE IT HELP
oksian1 [2.3K]3 years ago
4 0
We can solve it by Pythagoras Theorem:

C² = 4² + 3²

√(C)² = √(4² + 3²)  note: the rootsquare cancels the power.

C = √(16 + 9)

C = √25

C = 5


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Maria and Katy each have a piece of string. When they put the two pieces of string together end to end, the total length is 84in
Serga [27]

Answer: the length of Maria's piece of string is 45 inches.

the length of Katy's piece of string is 39 inches

Step-by-step explanation:

Let x represent the length of Maria's piece of string.

Let y represent the length of Katy's piece of string.

When they put the two pieces of string together end to end, the total length is 84inches. This means that

x + y = 84 - - - - - - - - - - - -1

Maria's string is 6 inches longer than Katy's. This means that

x = y + 6

Substituting x = y + 6 into equation 1, it becomes

y + 6 + y = 84

2y + 6 = 84

2y = 84 - 6 = 78

y = 78/2 = 39

x = y + 6 = 39 + 6

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8 0
3 years ago
The Lewis family and the Perry family each used their sprinklers last summer. The water output rate for the Lewis family's sprin
Rashid [163]

The Lewis family and the Perry family each used their sprinklers last summer. The water output rate for the Lewis family's sprinkler was 15 L per hour. The water output rate for the Perry family's sprinkler was 40 L per hour. The families used their sprinklers for a combined total of 65 hours, resulting in a total water output of 1850 L . How long was each sprinkler used

Answer:

Hours of use of sprinkler by Lewis family is 30 hours.

Hours of use of sprinkler by Perry family is 35 hours.

Step-by-step explanation:

Let W = hours of use by Lewis family

65 - W = hours of use by Perry family

Then;

15W + 40*(65 - W) = 1850

15W + 2600 - 40W = 1850

(15 - 40)W = 1850 - 2600

-25W = −750

W = 750/25 = 30

Therefore;

W = 30

65 - W = 65 - 30 = 35

Hence,

Hours of use by Lewis family is 30 hours.

Hours of use by Perry family is 35 hours.

3 0
3 years ago
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Masteriza [31]

Answer:

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Step-by-step explanation:

Solve 4(m - 16)

4(m - 16) = 4 x m - 16 x 4

= 4m - 64

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3 years ago
Which algebraic expression represents “Marcus practiced the trumpet twice as long this week”?
Maksim231197 [3]

Answer:

2p

Step-by-step explanation:

u got ig??

8 0
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rosalyn has decided to purchase a $14,000 car . she plans on putting a $200 down toward the purchase, and financing the rest at
garik1379 [7]
$100 is the answer for your question
6 0
3 years ago
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