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3 years ago

Please help need answer

Mathematics

2 answers:

Crank3 years ago

8 0

The answer is c i think

rusak2 [61]3 years ago

7 0

C. A and B are nothing

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Simplest form for 21/49

tekilochka [14]

21/49
=3/7(divide by 7 numerator and denominator)
PLs brainliest answer

4 0

3 years ago

For example( and this is straight from the paper), "15 people in 3 equal rows."

densk [106]

At a race, there are 3 rows with 15 people in each row. How many total people are there?

Numerical expression- 15 times 3

(Idk if this helped very much but it's worth a shot)

6 0

3 years ago

One of the children bought their teacher a mathematical plant for the classroom windowsill. At the end of the first day it had i

Vlad [161]

Answer:

18 days

Step-by-step explanation:

Here's a short table of heights:

day 0: height = 1

day 1: height = 1 + (1/2)(1) = 3/2

day 2: height = (3/2) + (1/3)(3/2) = 3/2 + 1/2 = 2

The pattern of heights is ...

(day, height) = (0, 1), (1, 1.5), (2, 2)

The plant is growing 1/2 its original height each day, so we can write the equation ...

h = 1 + d/2

We want to find the number of days (d) that result in a height of 10 (ten times the original height).

10 = 1 + d/2

9 = d/2 . . . . subtract 1

18 = d . . . . . multiply by 2

It took 18 days for the plant to grow to 10 times its original height.

5 0

3 years ago

which value correctly represents the number that is 10 times as great as five hundred eighty-one thousandths?

valentinak56 [21]

$a= 581.000*10 \\ \\ \boxed{a=5.810.000}$

7 0

3 years ago

Read 2 more answers

Xavier spent $84 on art supplies. The canvas for each of his paintings is an additional $1. He plans to sell his paintings for $

JulsSmile [24]

Answer:

Part a) The equation is $84+p=8p$

Part b) $p=12\ paintings$

Step-by-step explanation:

Let

p -----> the number of paintings

we know that

Break even is when sales are equal to cost.

The linear equation that represent this problem is

$84+p=8p$

Solve for p

Subtract p both sides

$84+p-p=8p-p$

$84=7p$

Divide by 7 both sides

$84/7=7p/7$

$12=p$

Rewrite

$p=12\ paintings$

Check the solution

$84+p=8p$

substitute the value of p

$84+12=8(12)$

$\$96=\$96$ ----> is ok

5 0

3 years ago