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1 year ago

What is the measure of angle B in degrees

Mathematics

1 answer:

Hunter-Best [27]1 year ago

8 0

Angle C and the 112 degree angle are supplementary, so angle C measures 180-112=68 degrees.

This means that by the exterior angle theorem, $m\angle B=51^{\circ}+68^{\circ}=\boxed{119^{\circ}}$

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Sajia has 30 Books in her library. she sold 9 books at the thrift store on Saturday. Write and solve and inequality to determine

ELEN [110]

Sajia can sell 21 books she can sell if she comes back on sunday and the required inequality is $9 + x \leq 30$

Solution:

Given that Sajia has 30 Books in her library

She sold 9 books at the thrift store on Saturday

To find: We have to write and solve an inequality to determine number of more books she can sell if she comes back on sunday

Let "x" be the number of more books she can sell if she comes back on sunday

We can write a inequality as:

$\text{ books already sold } + \text{ number of books remaining } \leq \text{ total number of books she has }$

$9 + x \leq 30$

Now moving 9 from L.H.S to R.H.S we get,

$x \leq 30 - 9$

On solving 30 - 9 = 21,

$x \leq 21$

So Sajia can sell 21 books she can sell if she comes back on sunday

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2 years ago

ram bought a second hand cycle for RS.1250 and spent rs.200 on its repair. when he sold if after few days he got RS.1250. what w

Anna [14]

Answer:

hope it helps you to please mark me brainliest

5 0

3 years ago

If an item that originally cost $13 is increased to $19, what is the percentage of increase in the item?

Evgesh-ka [11]

Original cost (OC) = $13

New cost (NC) = $19

Percentage increase = $\frac{NC - OC}{OC} *100 = \frac{19 - 13}{13} * 100 = \frac{6}{13} * 100$

= 46.15 %

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3 years ago

2a +7= 15 answer please

Paul [167]

Answer:

a = 4

Step-by-step explanation:

2a + 7 = 15

- 7 - 7

2a = 8

/2 /2

a = 4

Hope this helps!

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2 years ago

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Answer:

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3 years ago

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