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Crank
3 years ago
8

40 is 8% of what number?

Mathematics
1 answer:
harkovskaia [24]3 years ago
7 0
To find the answer put the phrase into an equation. is means = and of means ×.
so 40=.08×x. the variable x is 500
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Find the number of five-digit numbers which are not divisible by 5?
storchak [24]

Answer:

72000

Step-by-step explanation:

First five digit number is 10000

And the last five digit number is 99999.

There are 99999-10000+1 five digits in all.

That simplifies to 89999+1=90000.

Any number whose units digit is 5 or 0 is divisble by 5.

10000 is the first five digit number that is divisble by 5.

10000+5k where k is a positive integer can be used to find any after.

The last five digit number divisible by 5 is 99995. What is k then?

10000+5k=99995

5k=89995

k=89995/5

k=17999

How many 5 digit numbers are divisble by 5?

So the first one happens at k=0 and the last one happens at k=17999.

How many numbers is that? 17999+1=18000.

So the number of 5 digit numbers that aren't divisble by 5 is 90000-18000=72000

7 0
3 years ago
In the triangles, TR = GE and SR = FE. If = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft
tatuchka [14]

Answer:

3.2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A teacher wants to give 3 markers to each of her 25 students. Markers come in packages of 8. How many packages of markers will t
Sophie [7]
25x3=75. 
75/8= 9.375
Round up.
Answer= 10
4 0
3 years ago
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Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4
lora16 [44]

Answer:

option A.) y-3 = 1/16 (x-2)^2

Step-by-step explanation:

we know that

If the axis of symmetry is parallel to the y-axis, then we have a vertical parabola

The equation of a vertical parabola is equal to

4p(y-k)=(x-h)^{2}

where

(h,k) is the vertex

In this problem we have

(h,k)=(2,3)

p=4

substitute

4(4)(y-3)=4(4)(x-2)^{2}

16(y-3)=(x-2)^{2}

(y-3)=(1/16)(x-2)^{2}

8 0
3 years ago
The sum of 15 and six times a number t is eighty-one. What is the number
kati45 [8]

Answer:

t = 11

Step-by-step explanation:

Before we can solve this word problem, we have to translate first this problem into numerical form. The sum of fifteen and six times a number t is eighty-one can be translated into

        15 + 6t = 81

Let's subtract 15 from both sides of the equation .

        15 + 6t - 15 = 81 - 15

                        6t = 66

Divide both sides of the equation by 6.

                   6t / 6 = 66 / 6

                         t = 11


8 0
3 years ago
Read 2 more answers
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