2 years ago

Need help on this question asap please

1 answer:

6 0

we know, that the angle formed by an arc at the center of the circle is two times the angle formed by same arc on any point on the circumference,

So,

=》

$angle \: 1 = 2 \times angle \: 2$

hence, correct answer is B.

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The number divided by -4 is increased by -63, the result is -45. What is the number?

Pavlova-9 [17]

X / (-4) + ( -63) = -45 <=> x / ( -4) = 63 - 45 <=> x / (-4) = 18 <=> x = 18 * (-4) <=> x = -72.

3 0

3 years ago

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the ratio of dogs to cats at the pet store is 1:4.if the pet shop has 7 dogs,how many cats does it have ?

slamgirl [31]

$1:4=\frac{1}{4}\\\\d-number\ of\ dogs;\ c-number\ of\ cats\\\\d:c=1:4\to\frac{d}{c}=\frac{1}{4}\\\\d=7\ therefore\\\\\frac{7}{c}=\frac{1}{4}\ \ \ \ |cross\ multiply\\\\1\cdot c=7\cdot4\\\\\boxed{c=28}\leftarrow answer$

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2 years ago

Find the value of x. if necessary, round to the nearest tenth a=47sq in

kipiarov [429]

the picture in the attached figure

we know that

area of the triangle is equal to

$A=(b*h)/2$

in this problem

A=47 in²

b=x

h=x

$47=x*x/2 \\ x^{2} =94 \\ x= \sqrt{94} \\ x=9.69 in \\ x=9.7in$

therefore

the answer is

x=9.7 in

3 0

3 years ago

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Sombody help please quickly!!

VladimirAG [237]

Answer:

38%

Step-by-step explanation:

Change $\frac{7}{25}$ to a percent, that is

$\frac{7}{25}$ × 100% = 0.28 × 100% = 28%

Then 34% + 28% = 62% ← go by bus or car, leaving

100% - 62% = 38% walking to school

8 0

3 years ago

What is 23 in simplest form

rodikova [14]

23 or 23/1 or 23.0

Hope this helps ;)
Please don't forget to mark as brainliest answer

5 0

3 years ago