2 years ago

Which equation is not true ?

Mathematics

1 answer:

MaRussiya [10]2 years ago

3 0

Answer:

0.75 = 375/100

Step-by-step explanation:

375/100 = 3.75 and there is no 3 as the whole number.

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Jake forgot to replace the cap on a bottle of cologne. The cologne began to evaporate at the rate of 18% per day. If the origina

Cerrena [4.2K]

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x is 738

Step-by-step explanation:

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2 years ago

A used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 pe

masha68 [24]

Answer:

30 CDs and 10 Videos were sold.

Step-by-step explanation:

Given that a used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 per CD and 6.00 per video.

The sales for both CDs and videos totaled to 180.00.

Let CDs be x and Videos be y

Then we have x+y =3040

and 4x+6y = 180

Two simultaneous equations in two variables and can be solved by elimination method

multiply I equation by 4 and subtract from II.

2y = 20

y =10

x = 30

30 CDs and 10 Videos were sold.

4 0

2 years ago

What is the value of this expression? 4/15+3/5−2/3 Enter your answer in the box as a fraction in simplest form.

forsale [732]

Answer:

$\frac{4}{15} + \frac{3}{5} - \frac{2}{3}$

$\frac{4 \times 1}{15 \times 1} + \frac{3 \times 3}{5 \times 3} - \frac{2 \times 5}{3 \times 5}$

$\frac{4}{15} + \frac{9}{15} - \frac{10}{15}$

$\frac{4 + 9 - 10}{15}$

$\frac{13 - 10}{15}$

$\frac{3}{15}$

$\frac{1}{5}$

hope it helps you :)

have a great day

7 0

2 years ago

Read 2 more answers

Find the slope of a line perpendicular to 4x-y=6

ratelena [41]

Answer:

The slope is -1/4

Step-by-step explanation:

perpendicular line is $y=-\frac{1}{4}x-6$

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2 years ago

Which is correctly written in standard form of y=-6/7x+12

Georgia [21]

Answer:

6x + 7y +84

Step-by-step explanation:

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3 years ago