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Vsevolod [243]
2 years ago
13

What is the value of ( 7 plus 2 cubed) x 9

Mathematics
2 answers:
butalik [34]2 years ago
4 0

Answer:

135

Step-by-step explanation:

(7 + 2 {}^{3} ) \times 9 \\  = (7 + 8) \times 9 \\  = 15 \times 9 \\  = 135

gizmo_the_mogwai [7]2 years ago
3 0

Answer:

135

Step-by-step explanation:

2 cubed=8

8+7=15

15x9=135

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What is the diameter of a circle with a 4.2 cm radius
4vir4ik [10]

Answer:

8.4cm

Step-by-step explanation:

In a circle, d = 2r, so d = 2 * 4.2cm = 8.4cm

3 0
3 years ago
Nia answered 80% of the 40 questions on a test correctly. How many correct answers did she have?
Step2247 [10]

Nia answered correct answers = 80% of the 40 questions

When we remove % sign from a number, we divide that number by 100

= \frac{80}{100} of 40

=\frac{80}{100} \times 40

Cancelling the two zeroes from numerator and denominator,

= 8 \times 4

= 32.

Total correct answers answered by Nia = 32

3 0
3 years ago
Read 2 more answers
The diameter of the pan is 9 inches. What is the approximate circumference of a lid that will fit his frying pan? (Use 3.14 for
konstantin123 [22]

Answer:

28.26

Step-by-step explanation:

the equation for circumference is 2pi*r or pi*d

3.14*9 (the diametre) is 28.26

Answer 28.26

6 0
2 years ago
S = ut + 12 at?<br> u= 10<br> a = -2<br> t =<br> Work out the value of s.
Stella [2.4K]
S = (10 x1 /2) + (1/2x- 2x 1/2²)
5 + (-0.25)
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7 0
3 years ago
What is commutative property in rational number ? please explain.
slavikrds [6]

Answer:

Commutative property of addition of rational numbers: Two rational numbers can be added in any order. Thus for any two rational numbers a/b and c/d, we have. (a/b + c/d) = (c/d + a/b)

4 0
2 years ago
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