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3 years ago

HELP ASAP ILL GIVE U BRAINLIEST AND A THANKS

Mathematics

1 answer:

Olenka [21]3 years ago

5 0

Answer:

you have to write it down on a piece of paper and go from there

Step-by-step explanation:

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How do I do this ? factor the denominators

BARSIC [14]

time 2nd 5/5 it become 35/5x-20

2/5x-20+35/5x-20

=37/5x-20

3 0

3 years ago

Find the difference between (2x-4) and (6-8x)

antiseptic1488 [7]

Answer:

(2x-4)-(6-8x)

2x-4-6+8x

2x-10+8x

10x-10

Step-by-step explanation:

The question's asking the difference between 2 binomial polynomials.

1. To subtract them, you must use the distributive property to distribute the minus sign on the terms in the second polynomial.

2. Combine like terms. -4-6=-10, 2x+8x=10

Answer is 10x-10

4 0

3 years ago

Un número multiplicado que me 343

irina1246 [14]

7 multiplicado por 49 =343

6 0

3 years ago

are any two regular polygons similar. The area of the smaller figure is about 390 cm^2. choose the best estimate of the area of

galben [10]

Answer:

The best estimate of the area of the larger figure is $693\ cm^{2}$

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor

Let

z----> the scale factor

x-----> the corresponding side of the larger figure

y-----> the corresponding side of the smaller figure

$z=\frac{x}{y}$

we have

$x=12\ cm$

$y=9\ cm$

substitute

$z=\frac{12}{9}=\frac{4}{3}$ -----> the scale factor

step 2

Find the area of the larger figure

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z----> the scale factor

x-----> the area of the larger figure

y-----> the area of the smaller figure

$z^{2}=\frac{x}{y}$

we have

$z=\frac{4}{3}$

$y=390\ cm^{2}$

substitute and solve for x

$(\frac{4}{3})^{2}=\frac{x}{390}$

$(\frac{16}{9})=\frac{x}{390}$

$x=390*16/9=693.33\ cm^{2}$

4 0

3 years ago

Y decreased by 25 =10

KonstantinChe [14]

Written in standard form, y decreased by 25 = 10 is y - 25 = 10

Now let's solve:

y - 25 = 10
y = 10 + 25
y = 35

to check:

35 - 25 = 10

so, y equals 35

8 0

3 years ago

Read 2 more answers