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2 years ago

Math problems (Easy) ………………………………………..

Mathematics

2 answers:

jenyasd209 [6]2 years ago

6 0

Answer:

1. v = 3

2. y = 2

3. u = 6

Step-by-step explanation:

Vladimir79 [104]2 years ago

5 0

The answer to number 1 is 6
The answer to number 2 is 2
The answer to number 3 is 3

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Solve the equation for<br> x 3/4(x+21) = 10.5 <br> x =

MrRa [10]

<h3>✍️ Answer:</h3><h3> $x=-\frac{294}{13}$ </h3>

✽✽✽✽

$\frac{x\cdot \:3}{4\left(x+21\right)}=10.5$

$\mathrm{Multiply\:both\:sides\:by\:}4\left(x+21\right)$

$\frac{x\cdot \:3}{4\left(x+21\right)}\cdot \:4\left(x+21\right)=10.5\cdot \:4\left(x+21\right)$

$3x=42\left(x+21\right)$

$3x=42x+882$

$\mathrm{Subtract\:}42x\mathrm{\:from\:both\:sides}$

$3x-42x=42x+882-42x$

$-39x=882$

$\mathrm{Divide\:both\:sides\:by\:}-39$

$\frac{-39x}{-39}=\frac{882}{-39}$

$x=-\frac{294}{13}$

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<h3>hope it helps...</h3><h3>have a great day!!</h3>

4 0

3 years ago

Seven students in class A and ten students in class B ate pizza. There are 25 students in class A and 30 students in class B. Wh

Pavlova-9 [17]

Answer:

=18/20

Step-by-step explanation:

• 25 - 7 = 18

• 30 - 10 = 20

= 18/20

if u reduce = 9/10

5 0

3 years ago

Don’t know how to solve.

iVinArrow [24]

Answer:

$122.88

Step-by-step explanation:

the phone decreases by 20% each year , that is

(100 - 20)% = 80% = $\frac{80}{100}$ = 0.8

the phone reduces by a factor of 0.8 each year , then after 4 years

value = $300 × $(0.8)^{4}$ = $122.88

3 0

2 years ago

Joey fills 1/5 of a toffee box in 1/25 of a

butalik [34]

1/25 of a minute is 2,4 secs.

1/5 = 2,4s
5/5 = 12 secs

5 0

4 years ago

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Gradient of line AB (3,7) and (5,11)

larisa [96]

Answer:

Gradient is change in y over change in x.

gradient = y1-y2 ÷ x1-x2

=7-11 ÷ 3-5

=-4 ÷ -2

4 0

3 years ago

Read 2 more answers