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3 years ago

6

Find the measure of Angle B. Round to the nearest whole degree.

1 answer:

Volgvan3 years ago

8 0

Answer:

It also solve by Pythagoras theorem

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Dayo read 4/5th of a story book which has 500 pages. How many pages of the book is not yet read by Dayo?

Anton [14]

4/5 (four fifth) of 500 pages is $\frac{4}{5}$ times 500

$\frac{4}{5}$ times 500 is $\frac{4}{5}*500
$ ,

which is $4* \frac{500}{5}=4*100=400$

So Dayo read 400 pages of 500.

Dayo has not yet read 500-400=100 pages.

Answer: 100

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4 years ago

A number r multiplied by seven is less than or equal to 21

dybincka [34]

r · 7 ≤ 21 [r multiplied by 7 is less than or equal to 21]

7r ≤ 21

[If you wanted to solve it]

7r ≤ 21 Divide 7 on both sides to get "r" by itself

$\frac{7r}{7}\leq \frac{21}{7}$

r ≤ 3

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3 years ago

sandy has $200 in her bank account. if she writes 6 checks for exactly $19.98 , what expression describesmthe change in her bank

Len [333]

$200 - (6 x $19.98) = $120.12

5 0

3 years ago

By what factor does the area change if one diagonal is doubled? Explain.

melisa1 [442]

The area of deltoid is defined by formula:

$A=\dfrac{e\cdot f}{2}$

Where e and f are diagonals.

If you were to double the size of either one. Let's say f. You would result with:

$A=\dfrac{e\cdot2f}{2}=e\cdot f$

Which means if either of diagonals double in length the area of deltoid will be twice as big as it was before.

Hope this helps.

r3t40

3 0

3 years ago

Read 2 more answers

Please help.... A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimete

BigorU [14]

Answer:

The width of rectangle is $W=\frac{108}{13}\ cm$ or $8\frac{4}{13}\ cm$

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

$P=2(L+W)$

where

L is the length of rectangle

W is the width of rectangle

we have

$P=26/ cm\\L=(x+4)/ cm\\W=12x\ cm$

substitute

$26=2(x+4+12x)$

solve for x

$26=2(13x+4)$

$26=26x+8$

$26x=26-8$

$26x=18$

$x=\frac{18}{26}$

simplify

$x=\frac{9}{13}$

Find the width of rectangle

$W=12x\ cm$

substitute the value of x

$W=12(\frac{9}{13})=\frac{108}{13}\ cm$

Convert to mixed number

$\frac{108}{13}\ cm=\frac{104}{13}+\frac{4}{13}=8\frac{4}{13}\ cm$

8 0

3 years ago