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Sladkaya [172]
3 years ago
11

Someone who's good at math please help me!!!

Mathematics
1 answer:
timurjin [86]3 years ago
8 0
#1.
Here what you do is cross multiply.
\frac{8x}{13x}
#2.
Same as #1, just cross multiply.
\frac{9x}{12}

You get the gist?
You might be interested in
17. Your goal is to save at least $360.00 over the next 6 weeks. How much money must you save each week in order to meet that go
OLga [1]
<h2>Answer </h2>

D. 6x>_360; x>_60

<h2>Explanation</h2>

Let x be amount you will save each weeks

Since we know that you are saving over a period of 6 weeks, you will save 6x.

We also now that your goal is to save at least $360.00 over the period of 6 weeks, so saving more than $360.00 will be very desirable, but the goal is to save $360.00. We can rephrase this as: You need to save $360.00 or more; we can say the same using the inequality symbol \geq (greater on equal than)

Now we can combine our tow parts using the inequality symbol:

6x\geq 360

To simplify divide both sides by 6:

\frac{6}{6} x\geq \frac{360}{6}

x\geq 60

You need to save at least $60 per week, so the correct answer is D. 6x>_360; x>_60



4 0
3 years ago
Chris has $120 to spend at the bookstore. Chris buys a hardcover book for $36, as well as some gift cards for his family and fri
Wittaler [7]

Answer:

120-36=84

84/15=5 with $9 left

120=36-15x

6 0
3 years ago
2=-7/4+1/4x I need help!!
DochEvi [55]

Answer:

x = 15

Step-by-step explanation:

2 = -7/4 + 1/4x

+7/4  +7/4                 Add 7/4 to both sides

15/4 = 1/4x                Divide both sides by 1/4

15 = x

If this answer is correct, please make me Brainliest!

3 0
3 years ago
Simplify 100y^3/98xy pls answer soon hegarty maths lazy
OleMash [197]

Answer:

50y^4x/49

Step-by-step explanation:

y^3/98

((100* y^3/98 * x) * y

2.1 y^3 * y^1=y^(3+1)=y^4

8 0
3 years ago
Help pls homework!! Sorry if I’m wasting time.
forsale [732]

Answer:

Blanks top to bottom: 6^2, 36, 9, 108, 101

Step-by-step explanation:

Use PEMDAS which stands for parentheses, exponents, multiplication, division, addition, and subtraction. Listed in this specific order, you must look and solve for each one first, starting with parentheses.

4.

12 × ((4+2)^2/4) - 7

Solve for inside of parentheses first:

12 × ((6)^2/4) - 7

12 × (36/4) - 7

12 × 9 - 7

108 - 7

101

4 0
3 years ago
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