2 years ago

In the diagram, if WA = 8, AX = 5, and YA = 10, then the length of YZ is

Mathematics

1 answer:

Zinaida [17]2 years ago

5 0

Answer:

Step-by-step explanation:

WA times AX = YA x YZ

8x5=40

because they have to equal each other we just have to divide 40 by 10

40/10=4 so segment YZ=4

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Mama L [17]

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2 years ago

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Georgia [21]

Answer:

Step-by-step explanation:

62 - 42 = 20

20 / 2 = 10

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1 year ago

Write the equation of the line that passes through (-2, 6) and (2, 14) in slope-<br> intercept form.

creativ13 [48]

Answer:

Y= 2x+10

Step-by-step explanation:

(-2, 6), (-1, 8), (0, 10), (1, 12), (2, 14)

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2 years ago

The table displays the frequency of scores for a calculus class on an exam. The mean of the exam scores is 3.5. Score 1 2 3 4 5

vladimir1956 [14]

Answer:

f=11

Mode=4

Median=4

Explanation:

We are given that

a.Mean of the exam score, $\bar x$ =3.5

Score(x) frequency C.F

1 1 1

2 3 4

3 f 15(4+f=4+11)

4 13 28

5 4 32

$\sum f_i=1+3+f+13+4=21+f$

$\sum f_ix_i=1(1)+2(3)+3(f)+4(13)+5(4)=1+6+3f+52+20=79+3f$

$(\bar x)=\frac{\sum f_ix_i}{\sum f_i}$

Using the formula

$3.5=\frac{79+3f}{21+f}$

$73.5+3.5f=79+3f$

$3.5f-3f=79-73.5$

$0.5f=5.5$

$f=\frac{5.5}{0.5}=11$

b.Mode:The number which is repeat most times .

4 repeat most times

Hence, mode of all exam scores=4

N=32

N is even

$Median=\frac{(\frac{n}{2})^{th}+(\frac{n}{2}+1)^{th}}{2}$

Median= $\frac{16th+17th}{2}=\frac{4+4}{2}=\frac{8}{2}=4$

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2 years ago

Which of the following is equivalent to (x2+y)(y+z)? Explain your answer

PolarNik [594]

Answer:

X^2y+x^2z+y^2+yz

Step-by-step explanation:

x^2(y+z)+y(y+z)

x^2y+x^2z+y^2+yz

basically you distrinbute the first bracket to the second bracket

4 0

2 years ago