3 years ago

Please help meeeee :,(

Mathematics

1 answer:

Crank3 years ago

6 0

Answer:

I pretty sure the answer is ASA, I hope it's right!

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A number y is 3 times greater than a number x. Which equation shows this relationship

vladimir1956 [14]

Answer:

y = 3x

Step-by-step explanation:

y is 3 times greater than x. So to get Y you would have multiply x 3 times. 3x = 3 * x.

6 0

3 years ago

How are the triangles similar pleaseee help I’ll give you BRAINLIEST

SCORPION-xisa [38]

SAS Similarity Theorem

4 0

3 years ago

A triangle abc with vertices a (6,8) b(6,12) and c(10,12) is rotated 180 degrees. what are the coordinates of B

Oksi-84 [34.3K]

The rule for a rotation by 180
(x,y)→(−x,−y)
so B(6,12) will be B'(-6, -12)

answer

B'(-6, -12)

4 0

3 years ago

A random sample of 1000 registered voters in Flagstaff found 760 registered voters who support immigration reform. Find a 95% co

dusya [7]

Answer: $(0.7335,\ 0.7865)$

Step-by-step explanation:

Given : A random sample of 1000 registered voters in Flagstaff found 760 registered voters who support immigration reform.

sample size : n= 1000

sample proportion: $\hat{p}=\dfrac{760}{1000}=0.76$

Critical value for 95% confidence interval = $z_{\alpha/2}=1.96$

Confidence interval :

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.76\pm(1.96)\sqrt{\dfrac{0.76(1-0.76)}{1000}}\\\\=0.76\pm0.0264708866493\\\\\approx0.76\pm0.0265\\\\=(0.76-0.0265,\ 0.76+0.0265)=(0.7335,\ 0.7865)$

Hence, the 95% confidence interval for the true percent of registered voters in Flagstaff who support immigration reform: $(0.7335,\ 0.7865)$

6 0

3 years ago

Find the circumference of a circle r=9

kvasek [131]

Answer:

254.34

Step-by-step explanation:

You first have to know the formula which is

$c = \pi \: {r}^{2}$

You multiply 9 by 9 which gives you 81.

$c = \pi \times 81$

pi equals 3.14

so 3.14 × 81 = 254.34

3 0

3 years ago