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3 years ago

Is this picture proportional or non proportional

Mathematics

1 answer:

Sever21 [200]3 years ago

4 0

Non proportional~

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Jimmy notices 7oranges weigh the same as 5 apples. If Jimmy has 28 oranges, how many apples would Jimmy need to equal the weight

pychu [463]

Answer:

Step-by-step explanation:

7 times 4 equals 28 and 5 times 4 equals 20 so the answer is 20

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3 years ago

shira was riding the screamer when it broke down. her seat was 53 jorizontal feet from the central support pole. What was her se

ki77a [65]

Answer:

The possible solutions are 58 degree, 122 degrees, 302 degrees and 238 degrees

Step-by-step explanation:

Please see the attachment

From the figure, it is evident that

cos AOB = OB/OA = 53/100 = 0.53

Thus, cos-1 (0.53) = 58 degrees

AOB = 58 degree

Also, there are can be other values depending on the quadrants

COB = 180 -58 = 122 degrees

FOB = 360 -58 = 302 degrees

EOB = 180 + 58 = 238 degrees

5 0

3 years ago

I’m having a hard time understanding substitution. Please help!

Vikentia [17]

$b_1=\frac{2A}{h}-b_2$

Step-by-step explanation:

Given expression is;

$A=\frac{h(b_1+b_2)}{2}$

Solving for $b_1$

Multiplying both sides by 2

$2*A=\frac{h(b_1+b_2)}{2}*2\\2A=h(b_1+b_2)$

Dividing both sides by h

$\frac{2A}{h}=\frac{h(b_1+b_2)}{h}\\\frac{2A}{h}=b_1+b_2$

Subtracting $b_2$ from both sides

$\frac{2A}{h}-b_2=b_1+b_2-b_2\\\frac{2A}{h}-b_2=b_1\\b_1=\frac{2A}{h}-b_2$

$b_1=\frac{2A}{h}-b_2$

Keywords: division, subtraction

Learn more about subtraction at:

#LearnwithBrainly

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3 years ago

3/4 times 2 1/2 times 4/5

amm1812

The answer to your problem is 6

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