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3 years ago

What type of 3D shape is this and how do you know?

Mathematics

1 answer:

oee [108]3 years ago

6 0

Answer:

a triangular prism

Step-by-step explanation:

the 2 triangles

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Evaluate f(-3) for f(x) = 2^x a. 1/8 b. -8 c. 8 d. -6

pickupchik [31]

Answer:

Step-by-step explanation:

f(-3) = 2^-3

to get rid of a negative in an exponent, move the whole thing to the denominator.

1/(2^3)

2^3 = 2×2×2

1/(2×2×2)

1/8

6 0

2 years ago

Rose bought a new hat when she was in vacation. If the hat cost $975 and the sales tax was 6%, how much did rose pay for the hat

Rufina [12.5K]

Hi!

To solve this, set up a proportion and cross multiply.

$\frac{x}{975} \frac{6}{100}$

975 x 6 = 5850

5850/100 = 58.5

58.5 + 975 = 1033.5

The answer is $1033.5

Hope this helps! :)

-Peredhel

5 0

3 years ago

I wonder if I did #9 right and I’m having trouble with #10

yaroslaw [1]

Let's see....

QUESTION: Add. Write your answer as a mixed number in simplest form.

$6 \frac{7}{9} + 9 \frac{8}{9}$

1. Rewriting our equation with parts separated

 $=6+ \frac{7}{9} +9+ \frac{8}{9}$

2. Solving the whole number parts

 $6+9=15$

3. Solving the fraction parts

 $\frac{7}{9} + \frac{8}{9} = \frac{15}{9}$

4. Reducing the fraction part, 15/9,

 $\frac{15}{9} = \frac{5}{3}$

5. Simplifying the fraction part, 5/3,

 $\frac{5}{3} = 1\frac{2}{3}$

6. Combining the whole and fraction parts

 $15+1+ \frac{2}{3} =16 \frac{2}{3}$

ANSWER: $16\frac{2}{3}$

Hope that helps!

8 0

4 years ago

Read 2 more answers

Pleas helppppppppppp

EleoNora [17]

Answer:

Line AB

Hope this helps!

3 0

3 years ago

The ratio of girls to boys in the sixth grade is 7:5. If there are 35 girls in the sixth grade , how many boys are there?

Tema [17]

Answer:

25 boys

Step-by-step explanation:

girls to boys

7:5

35:x

set up an equation

35/7 = 5

then

x/5 = 5

so, multiply both sides by 5 to isolate x.

x = 25

4 0

3 years ago