Average of 10 people = 65

65 × 10 = 650

average of 5 people = 35

35 × 5 = 175

650 + 175 = 825

825 ÷ 15 = 55

the average reading time for the entire book club each day is 55 minutes a day

8 0

3 years ago

Read 2 more answers

Evaluate f(x) = –x2 + 1 for x = –3. –9 4 –4 –8

Klio2033 [76]

Answer:

-63

Step-by-step explanation:

Write the problem as a mathematical expression.

$f(x)=-x^2+1$ $for$ $x =3-9$ $4-4-8$

Simplify 4−4−8 to substitute in f(x)=−x^2+1

Subtract 4 from 4

$0-8$

Subtract 8 from 0

$-8$

Replace the variable x with −

8 in the expression

$f(-8)=-(-8)^2+1$

Simplify

$f(-8)=-64+1$

$f(-8)=-63$

Answer = -63

Plz give me Brainliest if you can, hope this helps.

5 0

2 years ago

Read 2 more answers

Please help!! <br><br> (Could you please show how you get the answer!)

Anna [14]

Step-by-step explanation:

when a line intersects with 2 (or more) parallel lines. then, of course, the intersection angle is the same with every of the intersected lines. otherwise they would not be parallel.

so,

7x - 10 = 60

7x = 70

x = 10

6 0

1 year ago

Solve by graphing y<7/3x + 5 and x<-3

Molodets [167]

Slope : -7/3

Y-Intercept: 4

4 0

3 years ago

A cube has an edge length of 5 inches. Determine the total surface area of the cube. ​

A cube has an edge length of 5 inches. Determine the total surface area of the cube.