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3 years ago

7

When i was 4 my sister was 2 now if i am 100 how old is my sister

1 answer:

viktelen [127]3 years ago

5 0

Answer:

98 yrs old only 2 year difference!

Step-by-step explanation:

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Which number sentence is true? A. –7 + 10 = –3 B. –7 – (–10) = –17 C. 7 – 10 = 3 D. 7 – (–10) = 17

Mice21 [21]

Assignment: $\bold{Which \ Statement \ Is \ True}$

<><><><><>

Answer: $\boxed{\bold{7-\left(-10\right)}}$

<><><><><>

Explanation: $\downarrow\downarrow\downarrow$

<><><><><>

Note: $\bold{Solve \ Equation \ To \ Find \ Answer}$

[ Step One ] Apply Rule - (-a) = a

$\bold{7+10}$

[ Step Two ] Add

$\bold{17}$

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$\bold{\rightarrow Rhythm \ Bot \leftarrow}$

3 0

2 years ago

Read 2 more answers

1-25. Given f(x) =- 2/3x +3 and g(x) = 2x2 - 5, complete parts (a) through (f).

Korolek [52]

Answer:

When f or g are equivalent to a number you are solving for x. For example b, d, e, f. In the equation g(x) =2x2-5 I assumed 2 was a typo. So, if it's incorrect, please use same steps and just adjust the solution.

Step-by-step explanation:

$f(x)=-\frac{2}{3x}+3$

a) $f(3)=-\frac{2}{2(3)} +3$

$=-\frac{1}{3}+3$ $=\frac{-1+6}{3}$ $=\frac{5}{3}$

b) $f(x)=-5$

$-5=-\frac{2}{3x}+3$

$-8=-\frac{2}{3x}$

$-24x=-2$

$x=\frac{1}{12}$

$g(x)=2x-5$

c) $g(-3)=2(-3)-5$

$=-6-5$

$=-11$

d) $g(x)=-7$

$-7=2x-5$

$-2=2x$

$x=-1$

e) $g(x)=8$

$8=2x-5$

$12=2x$

$x=6$

f) $g(x)=9$

$9=2x-5$

$11=2x$

$x=\frac{11}{2}$

3 0

3 years ago

50. Insert three geometric means between 2 and 512.

saveliy_v [14]

The three geometric means between 3 and 512 are…

8, 32, 128

OR

-8, 32, -128

5 0

2 years ago

Christian reads 1/4 book every 2/3 week. How many books does Christian read per week?

-BARSIC- [3]

Answer:

its the second one 3/8

Step-by-step explanation:

7 0

3 years ago

Suppose the linear regression line y=2.1x+130 predicts sales based on the money spent on advertising. If x represents the dollar

slega [8]

Linear regression line y=2.1x+130 predicts sales based on the money spent on advertising.

Linear regression represents the relationship between two variables. the value of y depends on the value of x.

x represents the dollars spent in advertising and y represents the company sales in dollars.

We need to find out sales y when $150 spends on advertising.

Plug in 150 for x and find out y

y = 2.1 x + 130

y = 2.1 (150) + 130

y= 445

The company expects $445 in sales

5 0

2 years ago