3 years ago

3/10 + 3/100 equals _ /100

Mathematics

2 answers:

sesenic [268]3 years ago

7 0

Get a common denominator.

3/10 = 30/100

30/100 + 3/100 = 33/100

Answer: 33/100

Lilit [14]3 years ago

7 0

You cross multiply 10 times 3 then add 3 equals 33/100 hope it helps

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1/2x+1/4y=6. 1/5x+1/3y=1

Ierofanga [76]

$\frac{1}{2}x+\frac{1}{4}y=6 \ \ \ |\times 2 \\
\frac{1}{5}x+\frac{1}{3}y=1 \ \ \ |\times (-5) \\ \\
x+\frac{1}{2}y=12 \\
\underline{-x-\frac{5}{3}y=-5} \\
\frac{1}{2}y-\frac{5}{3}y=12-5 \\
\frac{3}{6}y-\frac{10}{6}y=7 \\
-\frac{7}{6}y=7 \\
y=7 \times (-\frac{6}{7}) \\
y=-6 \\ \\
x+\frac{1}{2}y=12 \\
x+\frac{1}{2} \times (-6)=12 \\
x-3=12 \\
x=12+3 \\
x=15 \\ \\
\boxed{(x,y)=(15,-6)}$

3 0

3 years ago

Read 2 more answers

Please answer this question..........

Umnica [9.8K]

In order to find the y-intercept, replace x by 0.

So, for first option:
f(0) = 7(1) - 2 = 5

For second option:
f(0) = -3(1) - 5 = -8

For third option:
f(0) = 5(1)-1=4

For Fourth option:
f(0) = -5(1) + 10 = 5

For Fifth Option:
f(0) = 2(1) + 5 = 7

So, option 1 and 4 have the y-intercept (0,5)

5 0

3 years ago

A baby grows 4 inches every 6 months. What is his rate of change?

ser-zykov [4K]

Answer:

4:6 but if you reduce it is 2:3

Step-by-step explanation:

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3 years ago

Does anyone know the answer??? i’ll mark brainlist

MissTica

I think it might be C?
Sorry if I got it wrong