3 years ago

Last one for tonight. This really confused me. Please help.

Mathematics

1 answer:

garri49 [273]3 years ago

5 0

Answer:

In the top green thing goes X in the bottom one it goes Y

X: 1,2,3,4,5

Y: 20, 28, 36, 46, 52

Step-by-step explanation:

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If x > 0, which of the following is positive? <br> 1. -x<br> 2. x^2<br> 3. (-x)^3<br> 4. 1/-x

lapo4ka [179]

Answer:

$x^2$

Step-by-step explanation:

$x > 0~\text{means that x is positive number.}$

$\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}$

3 0

2 years ago

Can someone please help me with this?

dedylja [7]

Answer:

e = 29.0 will be the answer.

Step-by-step explanation:

Use the sine rule in the given triangle,

$\frac{EF}{\text{sin}(\angle D)}=\frac{DE}{\text{sin}(\angle F)}=\frac{DF}{\text{sin}(\angle E)}$

$\frac{d}{\text{sin}(35)}=\frac{16}{\text{sin}(30)}=\frac{e}{\text{sin}(115)}$

$d=\frac{16\times \text{sin}(35)}{\text{sin}(30)}$

d = 18.35

$\frac{16}{\text{sin}(30)}=\frac{e}{\text{sin}(115)}$

$e=\frac{16\times \text{sin}(115)}{\text{sin}(30)}$

e = 29.002

e ≈ 29.0

Therefore, e = 29.0 will be the answer.

3 0

3 years ago

65% of the total number of students are girls and there are 224 boys. find the percent of boys ? find the number of girls?

SOVA2 [1]

ANSWER:

Well the percentage of boys would be 35%

I believe the number of girls is 416

hope this helps

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3 years ago

If I was born on January 28, 2004 when will a become 15 and 1/2

Anon25 [30]

I think on January 14

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3 years ago

Can somebody help me plz with number 13,14,15,16,17

yuradex [85]

13. There are 3 feet in a yard. You divide 34 by 3 and get 11 with one left over. So it should be 11 yards and 1 foot.
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3 years ago