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3 years ago

Please help! i really need to pass this

Mathematics

2 answers:

bagirrra123 [75]3 years ago

8 0

Use the slope formula or since it's a straight line crossing the y axis at one, it means the y=1

True [87]3 years ago

8 0

Is this dealing with inequalities?

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8r - 4 (7r - 5) this is the question im struggling with

Ira Lisetskai [31]

i am pretty sure the answer is:

= -20r + 20

3 0

3 years ago

Reading test is compared for two students. The mean of Alice's reading test is 82. The mean of Adam's reading test is 85. What c

zalisa [80]

Answer:

i think it's

Adam averages better than Alice

Alice averaged less than Adam

Step-by-step explanation:

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2 years ago

Read 2 more answers

For 15 points plz help

blondinia [14]

Answer:

the number that goes in the blank is 8

Step-by-step explanation:

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3 years ago

Find MO and PR <br> ............................................................

ddd [48]

MO = 12 and PR = 3

Solution:

Given $\triangle M N O \sim \Delta P Q R$ .

Perimeter of ΔMNO = 48

Perimeter of ΔPQR = 12

MO = 12x and PR = x + 2

<em>If two triangles are similar, then the ratio of corresponding sides is equal to the ratio of perimeter of the triangles.</em>

$$\Rightarrow \frac{\text{Perimeter of }\triangle MNO}{\text{Perimeter of }\triangle PQR} =\frac{MO}{PR}$

$$\Rightarrow \frac{48}{12} =\frac{12x}{x+2}$

Do cross multiplication.

$$\Rightarrow 48({x+2})= 12(12x)$

$$\Rightarrow 48x+96= 144x$

Subtract 48x from both sides.

$$\Rightarrow 48x+96-48x= 144x-48x$

$$\Rightarrow 96= 96x$

Divide by 96 on both sides, we get

⇒ 1 = x

⇒ x = 1

Substitute x = 1 in MO an PR.

MO = 12(1) = 12

PR = 1 + 2 = 3

Therefore MO = 12 and PR = 3.

7 0

3 years ago

4(3 + 5) - 3 x 9² ?

tiny-mole [99]

Answer:

- 211

Step-by-step explanation:

4(3 + 5) - 3 x 9² =
4(8) - 3(81) =
32 - 243 =
- 211

7 0

2 years ago