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ipn [44]
3 years ago
11

Please help !!!!!!!!!

Mathematics
1 answer:
Serggg [28]3 years ago
8 0

Answer:

This is some ton of work LOL

Step-by-step explanation:

A. 4/7×5/5=20/35  We multiply by 5 for A because 35÷5=7 and you need to multiply top and bottom. You can NOT forget that. We do not need to simplify something this time? 3/5X7/7=21/35. Why are we muliplying something new? figure out. no need to simplify. oBVIOUSLY 3/5 IF BIGGER

B. As usual etc...

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The height of a parallelogram is 5 feet more than it's base. If the area of the parallelogram is 204 square feet, what is its ba
siniylev [52]
The base is x.
The height is 5 feet more than the base, so it's x+5.
The area of a parallelogram is the product of its base and its height. The area is 204 square feet.

x(x+5)=204 \\
x^2+5x=204 \\
x^2+5x-204=0 \\
x^2+17x-12x-204=0 \\
x(x+17)-12(x+17)=0 \\
(x-12)(x+17)=0 \\
x-12=0 \ \lor \ x+17=0 \\
x=12 \ \lor \ x=-17

The length of the base of a parallelogram must be a positive number, so x=12.

\hbox{the base:} \\ x=12 \\ \\
\hbox{the height:} \\ x+5=12+5=17

The base is 12 feet long, the height is 17 feet long.
8 0
3 years ago
Which pair of expressions is equivalent?
riadik2000 [5.3K]
You’re answer is a
Please mark brainliest
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3 years ago
Which quantity is proportional to 12/15?
Iteru [2.4K]

4/5

Find common fractions of 12/15

12 / 15. each part divided by 3

15 / 3 = 5...12 / 3 = 4...12/15 = 4/5

6 0
3 years ago
Bob says that 5h and 5h^2 are like terms because they both have the variable h. Is Bob correct? Justify reasoning.
Dominik [7]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ Bob ISN'T correct. 5h^2 has an exponent of 2 while 5h only has an exponent of 1. 5h^2 and 5h are completely different due to the exponent.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

3 0
3 years ago
What is the point slop form of a line with slope 3 that contains the point (2,1)
Diano4ka-milaya [45]

Equation in point slope form is written as:

y = mx + c, where m is the slope of the line and c is the y-intercept

To determine the equation when slope is given and (x,y) coordinates are given, use the below formula:

(y - y₁) = m × (x - x₁) .................. (i)

We have been given that m = 3, x₁ = 2 and y₁ = 1)

Substituting the values of m, x₁ and y₁ in (i)

(y - 1) = 3 × (x-2)

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⇒ y = 3x - 5

So the required equation is y = 3x -5, here 3 is the slope and -5 is the y-intercept


6 0
3 years ago
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