3 years ago

Which expression is a monomial? A. x2-2x+3 B. 3x C. 3/x

Mathematics

1 answer:

Flura [38]3 years ago

6 0

The answer is B. 3x.

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Find the product: 4 2/5 x 5 1/2 =

seropon [69]

Answer:

4 2/5 x 5 1/2 = 24.2

Step-by-step explanation:

PLZZ MARK BRAINLIEST!!!

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3 years ago

You plant a tree that is 36 inches tall. After one year, the tree is 43 inches tall. Which expression describes the percent of i

vladimir1956 [14]

I hope this helps you

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4 years ago

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Mark used a number line to model dividing 2 3 by 3. He divided the number line from 0 to 1 in 3 equal sections, and then divided

Oxana [17]

Answer:

No, his answer is not correct.

Step-by-step explanation:

Given expression,

$\frac{2}{3}\div 3$

$=\frac{\frac{2}{3}}{3}$

$=\frac{2}{3\times 3}$

$=\frac{2}{9}$

Thus, his answer is not correct.

By model :

Draw number line from 0 to 1 in 3 equal section,

Then divided each of those sections into 3 equal parts,

We get,

$\frac{2}{3}\div 3=\frac{2}{9}$

3 0

3 years ago

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Which steps are necessary to find the solution? PLS HELP! will mark as BRAINLIEST :)

stepladder [879]

It looks like it should be the first one and the third one

4 0

3 years ago

A triangle PQR is right angled at R, with PQ=80cm and R=60cm. find QR? pythagorus theorem

algol13

Answer:

Solution given:

A triangle PQR is right angled at R, with hypotenuse{h}PQ=80cm

and

base[b]PR=60cm.

perpendicular [P]= QR

by using Pythagoras law

h²=p²+b²

80²=QR²+60²

QR²=80²-60²

QR= $\sqrt{2800}$

QR=20 $\sqrt{7}$ =52.9=53cm

QR=53cm.

5 0

3 years ago