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4 years ago

A 2-by-2 array with 2 more cubes is 6 cubes.

Mathematics

1 answer:

klasskru [66]4 years ago

4 0

Correct. 2 x 2 = 4, 4 + 2 = 6 cubes.

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How much paint will you need to paint all sides of the box shown below? show work and use volume or surface area formula.

fiasKO [112]

Answer: 100

Explanation: triangle area is l x h ÷ 2 rectangle area is l x h. 4 x 3 =12÷2 +12÷2 =12 11x4x2= 88 88+ 12=100.

4 0

3 years ago

Tina wrote mathematical expressions for five statements. Her work is shown. Statement Tina's Expressions A The product of

Setler [38]

Answer:

See explanation

Step-by-step explanation:

<u>Linear</u> expression is usually an expression of 1st degree.

A. The product of a number and seven $=7\cdot n=7n$

Correct, linear

B. The sum of three consecutive numbers.

Let the smallest number be n, the next number is n + 1 and the last number is n + 2. Then their sum is

$n+(n+1)+(n+2)$

Correct, linear

C. The square of a number times three.

Let the number be n, then its square is $n^2$ and the square of a number times three is

$n^2\cdot 3=3n^2$

Correct, nonlinear

D. Twice the sum of a number and 8.

If the number is n, then the sum of the number anf 8 is n + 8. Twice the sum is

$2\cdot (n+8)=2(n+8)$

Incorrect, linear

E. The cube of a number divided by two.

If the number is n, then its cube is $n^3.$ The cube of the number divided by 3 is

$n^3\div 3$

Correct, nonlinear

3 0

4 years ago

Explain how to break apart the addends to find the sum 25+16

icang [17]

(20+5)+(10+6)
you are supposed to use place value to break it down

8 0

4 years ago

Find the circumference of the pizza to the nearest whole number.

mario62 [17]

R = 7 in. Therefore d=14
C=pi x d
= 3.14 x 14
= 43.96

3 0

3 years ago

For x = -2, evaluate f(g(x)) - f(0), given that: f(x) = 2x + 5 g(x) = 4x

Veronika [31]

Answer: -16

Step-by-step explanation:

f(g(x)) = 2(4(-2)) + 5

f(g(x)) = 2(-8) + 5

f(g(x)) = -16 + 5

f(g(x)) = -11

f(0) = 2(0) + 5

f(0) = 5

f(g(x)) - f(0) = -11 - 5

f(g(x)) - f(0) = -16

7 0

3 years ago