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3 years ago

PLEASE HELP ASAP!!!!

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

3 0

Answer:

D. $y=\frac{1}{4}x$

Step-by-step explanation:

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A certain solution of salt water is 10% salt and weighs 50 pounds. more salt must be added to produce a solution that is 25% sal

Semenov [28]

Answer

7.5 pounds

Step-by-step explanation:

Since adding x grams of salt will bring th percentage of the salt to 25

Hence. 10% of the 50 gram gives. 5 gram initial salt before it is added.

5+ x/ 50 * 100= 25/

5+x /50 = 0.25

5+x = 12.5

X= 12.5- 5

X= 7.5pounds

8 0

3 years ago

Plz help me well mark brainliest if correct!.,

AlekseyPX

Answer: The perimeter is 20 cm

Step-by-step explanation: The top and bottom are same length, so 6+6, and the sides are the same length, so 4+4 don’t forget it’s cm and it becomes 20 cm.

PERIMITER = ADDING ALL SIDES

AREA = MULTIPLYING

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3 years ago

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4?

AnnZ [28]

Answer:

$\displaystyle y + 3 = 4(x + 1)$

Step-by-step explanation:

In the Point-Slope Formula [y - y₁ = m(x - x₁)], all the negative symbols give the OPPOSITE terms of what they really are, so be EXTREMELY CAREFUL inserting the coordinates into the formula with their CORRECT SIGNS.

I am joyous to assist you anytime.

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3 years ago

Explain how to model the problem with algebra tiles and then write an algebraic expression that represents the situation.

jeka57 [31]

Step-by-step explanation:

the answer is in the picture

8 0

3 years ago

Read 2 more answers

Juan owns 7 pairs of pants, 3 shirts, 5 ties, and 6 jackets. How many different outfits can he wear to school if he must wear on

ZanzabumX [31]

To solve this problem, just use multiplication.

$7\text{ pairs of pants}*3\text{ shirts}*5\text{ ties}*6\text{ jackets}=\large\boxed{630\text{ outfits}}$

You can somewhat think of this situation as a sort of tree. You start with 7 large branches representing the pants, then for every one of those you have 3 medium-sized branches to represent the pairs of pants. Each one of those has 5 sticks for the ties, which in turn each have 6 leaves to represent the jackets and therefore a complete outfit. The solution is found by getting the total number of leaves on the tree.

8 0

2 years ago