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Mathematics

1 answer:

Bess [88]3 years ago

7 0

A. y=0.5x+2

Sorry if I didnt answer this soon enough!

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Can someone help me please ? Thanks!

notka56 [123]

Use pythagorean theorem for all of them
a. 3, 4, 5
3^2+4^2?5^2
9+16?25
25=25
right

b. 5, 6, 7
5^2+6^2=7^2
25+36=49
61>49
acute

c. 64+81=144
145>144
acute

hope this helps!

6 0

3 years ago

Read 2 more answers

. Jessica went to the grocery store and purchased a box of cereal for $3.75, milk for $1.50, and bread for $2.25. She paid with

puteri [66]

$3.75 - cereal
$1.50 - milk
$2.25 - bread
—————————
$7.50

$20.00
- 7.50
—————
$ 12.50

She received $12.50 back

4 0

3 years ago

Donna made a picture frame as a gift for her mom. To make it more stable, she wants to add a brace to the back of it running dia

Komok [63]

Answer:

I think C is the correct answer

4 0

3 years ago

Read 2 more answers

You are in charge of purchases at the student-run used-book supply program at your college, and you must decide how many introdu

mariarad [96]

Answer:

Calculus texts: 600
History texts: 0
Marketing texts: 0

Step-by-step explanation:

Each Calculus text returns $10/2 = $5 per unit of shelf space. For History and Marketing texts, the respective numbers are $4/1 = $4 per unit, and $8/4 = $2 per unit. Using 1200 units of shelf space for 600 Calculus texts returns ...

$5/unit × 1200 units = $6000 . . . profit

Any other use of units of shelf space will reduce profit.

7 0

3 years ago

Find the length of side AB in the right triangle shown.

Bogdan [553]

Side AB is 72 cm long.

Explanation:

To find the length of side AB you have to use this formula:

${a}^{2} + {b}^{2} = {c}^{2}$

*Remember there are two legs (a and b) and a hypotenuse (c) on a triangle. The longest side will be the hypotenuse and the other two will be the legs. For this triangle the hypotenuse is side BC while the legs are sides CA and side AB.

Plug in the numbers into the equation.

${65}^{2} + {b}^{2} = {97}^{2}$
For this triangle, you were given the hypotenuse (c) and one leg (a). To find the last length solve the equation and balance it so only b is left, like this:

$4225 + {b}^{2} = 9409$

$9409 - 4225 = 5184$

Soo...

${b}^{2} = 5184$

Then to get the side length, square root 5184.

$\sqrt{5184} = 72$

So the length of the last side is 72 cm.

5 0

3 years ago