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3 years ago

Does anyone understand how to do this? Solve r4<−5 or −2r−7 ≤ 3 . The solution is _or_

Mathematics

1 answer:

blagie [28]3 years ago

5 0

I believe this is the answer

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Find the length of MG. EGF~EML

elena-14-01-66 [18.8K]

Answer:

The length of MG = 56.

Step-by-step explanation:

Two triangles are similar if their corresponding angles are congruent and corresponding sides are proportional.

Given that: $\triangle EGF \sim \triangle EML$

From the given figure:

In $\triangle EGF$ and $\trinagle EML$

EG = $5x+2$

EF = $126$

EM = $16$

EL = $28$

By definition of similar triangle,

$\frac{EG}{EM}=\frac{EF}{EL}$ ...... (1)

Substitute the given values in equation (1) as shown below:

$\frac{5x+2}{16}=\frac{126}{28}$

$5x+2 = 4.5\times 16$

$5x+2 =72$

which implies, EG = $72$ .

Now to find the value of MG.

EG = EM+MG

$72=16+MG$

Subtract 16 from both sides, we get

$MG = 56$

Hence, the value of length of MG = 56.

8 0

3 years ago

50% of what number is 140

BlackZzzverrR [31]

Answer:35.71

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Could someone please help?

kolezko [41]

Answer:help you with what?

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

The sum of 12 and a certain number is equal to the product of 3 and the number

german

Answer:

Read the explanation!

Step-by-step explanation:

Let the "certain number" be $x$ .

( $*$ is a symbol for multiplication).

Create a few equations and expressions:

The sum of 12 and a certain number: $12 + x$

The product of 3 and the number: $3 *x = 3x$

The sum of 12 and a certain number is equal to the product of 3 and the number:

$12 + x$ = $3x$

Solve!

12=3x-x

12=2x

x=6

3 0

2 years ago

Megan wants to build a bird feeder she buys 8 1/2 feet long the cost of the wooden board is 2.50$ per foot what is the cost in d

VARVARA [1.3K]

Answer:

21.25

Step-by-step explanation:

so what I did was i x 8 and 1/2 by 2.50

4 0

2 years ago