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kifflom [539]
3 years ago
6

What is the number if 6/7 of 28 is equal to 30% of that number.

Mathematics
1 answer:
makkiz [27]3 years ago
5 0

Answer:

80 is the actual number

Step-by-step explanation:

(28/7)(6)=24

24 x 100=2400

2400/30=80

80 x .3 = 24

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IF A SUBSCRIPTION IS $499 PLUS 8% TAX FOR 30 DAYS, BUT IS BEING PRORATED FOR 7 DAYS, PLUS THERE IS A $10 OFF COUPON, WHAT'S THE
11Alexandr11 [23.1K]

Answer:

$528.92

Step-by-step explanation:

The subscription given is $499 plus 8% tax

Add tax

108/100 * $499 = $538.92

$538.92 for 30 days.

If its being promoted for 7 days there is a $10 off coupon, this will be;

$538.92-$10 = $528.92

Final cost = $528.92

7 0
3 years ago
3. Last week Hailey sold 40 raffle tickets for a school fund raiser. This week she sold 72 tickets. What is the percent of incre
aksik [14]

Answer:

40%

Step-by-step explanation:

Divide 72/40 which gives you 1.8 multiply by 100 gives you 180=1.80

72/ 1.80

40%

4 0
3 years ago
Please help
Firlakuza [10]

Answer:

Step-by-step explanation:

y = -2/3 x       multiply both sides the first equation by 6

6y = -4x                    Add 4x to both sides.

6y + 4x = 0

<u>-9y +4x = - 40   </u>        Subtract the bottom equation

15y =  - 40                 Divide by 15

y = -40/15

y = - 2.7

======================

6y = -4x

6*(-2.67) = -4x

-16 = - 4x

x = - 16/-4

x = 4

4 0
4 years ago
Oblicz -12+4*(-11) -(-5)<br> ------------- <br> 4​
Nina [5.8K]

Odpowiedź:

-51

Wyjaśnienie krok po kroku:

Oblicz -12 + 4 * (- 11) - (- 5)

Biorąc pod uwagę wyrażenie

-12 + 4 * (- 11) - (- 5)

Korzystanie z PEDMAS

nawias pierwszy

-12 + 4 * (- 11) +5

Ich mnożenie

-12-44 + 5

Podsumowując

-56 + 5

= -51

8 0
3 years ago
A company's logo was designed using circles of 3 different. sizes. The diameters of two of the circles are shown. Which measurem
Helga [31]

Answer:

option D . 254.34cm^2

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

The options are:

A . 56.52cm^2

B . 141.30cm^2

C . 1,017.36cm^2

D . 254.34cm^2

step 1

Find the diameter of the largest circle

we know that

The diameter of the largest circle is equal to the sum of the diameter of the two inside circles

so

D=6+12=18\ cm

step 2

Find the area of the largest circle

we know that

The area of the circle is given by the formula

A=\pi r^2

we have

r=18/2=9\ cm ----> the radius is half the diameter

assume

\pi=3.14

substitute

A=(3.14)(9^2)=254.34\ cm^2

4 0
4 years ago
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