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3 years ago

The value of c is: 7.2 52 104 None of these choices are correct

Mathematics

1 answer:

Ivahew [28]3 years ago

4 0

Answer:

2 $\sqrt{13}$ = c

Step-by-step explanation:

ABC is a right triangle and in right triangles the square value of hypotenuse (C in this case) is equal to sum of other two side's square length

4^2 + 6^2 = c^2

16 + 36 = c^2 add terms

52 = c^2 find the root for both sides

2 $\sqrt{13}$ = c

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Find the number that is exactly halfway between 9 and 17 PLSS SOMEONE HELP

iren [92.7K]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

-20 • 3 ——————— = -30 ÷ 3

luda_lava [24]

-20 * 3 / -30 / 3

First multiply the top and divide the bottom to simplify the problem:

-20 * 3 = -60

-30/3 = -10

Now you have -60 / -10

Divide:

-60 / -10 = 6

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3 years ago

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Using the distributive property to find the product (y – 4)(y2 + 4y + 16) results in a polynomial of the form y3 + 4y2 + ay – 4y

horsena [70]

( y - 4 ) ( y² + 4 y + 16 ) = y³ + 4 y² + 16 y - 4 y² - 16 y - 64
The result is a polynomial of the form:
y³ + 4 y² + a y - 4 y² - a y + 64;
Answer: a = 16

7 0

3 years ago

When Joey mowed lawns for 10 hours and walked dogo

ankoles [38]

The charges for mowing lawns are $5 per hour and charges for walking dogs are $3 per hour.

Step-by-step explanation:

Let,

x be the charge per hour for mowing lawns

y be the charge per hour for walking dogs

According to given statement;

10x+4y=62 Eqn 1

8x+5y=55 Eqn 2

Multiplying Eqn 1 by 5

$5(10x+4y=62)\\50x+20y=310\ \ \ Eqn\ 3$

Multiplying Eqn 2 by 4

$4(8x+5y=55)\\32x+20y=220\ \ \ Eqn\ 4\\$

Subtracting Eqn 4 from Eqn 3

$(50x+20y)-(32x+20y)=310-220\\50x+20y-32x-20y=90\\18x=90$

Dividing both sides by 18

$\frac{18x}{18}=\frac{90}{18}\\x=5$

Putting in Eqn 1

$10(5)+4y=62\\50+4y=62\\4y=62-50\\4y=12$

Dividing both sides by 4

$\frac{4y}{4}=\frac{12}{4}\\y=3$

The charges for mowing lawns are $5 per hour and charges for walking dogs are $3 per hour.

Keywords: linear equation, subtraction

Learn more about linear equations at:

#LearnwithBrainly

5 0

3 years ago

Identify the polynomial that is the difference of two squares.

Nookie1986 [14]

We know that

The difference of two squares is a squared number subtracted from another squared number. Every difference of squares may be factored according to the identity

(A²-B²)=(A+B)*(A-B)
so

the answer is
49m2 − 81n4

49m2 − 81n4=(7m+9n²)*(7m-9n²)

3 0

3 years ago