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Arada [10]
3 years ago
8

e=" \frac{2}{3} - \frac{4}{10} = " alt=" \frac{2}{3} - \frac{4}{10} = " align="absmiddle" class="latex-formula">
what is the answer?
Mathematics
1 answer:
rusak2 [61]3 years ago
6 0

Answer:

8/30 (Simplified answer: 4/15)

Step-by-step explanation:

Find common denominators. Note the what you do to the denominator, you do to the numerator.

Multiply 10 to both the denominator & numerator of 2/3, and multiply 3 to both the denominator & numerator of 4/10

(10/10)(2/3) - (3/3)(4/10)

Simplify.

(20/30) - (12/30)

Simplify. Combine the terms

(20/30) - (12/30) = (20 - 12)/30 = 8/30

Simplify the fraction

(8/30)/(2/2) = 4/15

~

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Slope of (30, 600) (75, 1050)
abruzzese [7]

Answer:

y2-y1/x2-x1

y2: 1050

y1:600

x2:75

x1:30

1050-600=450

75-30=45

450/45=10

slope is 10

6 0
3 years ago
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What is the answer for -2x = 34
Hunter-Best [27]
To solve:

-2x = 34
----- -----
-2 -2

(-2x means -2 times x, so to undo this we need to divide by -2 on both sides)

x = -17

Then you do basic division (knowing that a positive divided by a negative results in a negative answer). And that's it!
7 0
3 years ago
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A computer game costs $49.95 plus a 6.25% sales tax. What is the total cost of the game?
IgorLugansk [536]

Answer:

$53.07

Step-by-step explanation:

49.95x6.25%=3.12

49.95+3.12=53.07

3 0
4 years ago
6. Edward bought 23.4 pounds of potatoes and 26.1 pounds of carrots.
DENIUS [597]

Answer:

49.5 lbs.

Step-by-step explanation:

23.4 + 26.1 equals 49.5 pounds

Hopefully this helps you  :)

pls mark brainlest ;)

5 0
3 years ago
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A spice store charges $2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order
Whitepunk [10]

Answer:

Part a) The expression is 3.2445x

Part b) Customer cannot buy 2.5 ounces of paprika and have it shipped for less than $8.00

Step-by-step explanation:

<u><em>The complete question is</em></u>

A spice store charged 2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order.

Part a)  Write and simplify an expression to determine the cost of buying and shipping x ounces of paprika. Use 1 ounce = 28 grams

Part b) Can a customer buy 2.5 ounces of paprika and have it shipped for less than 8.00? Explain

step 1

Convert grams to ounces

Remember that

1\ oz=28\ g

To convert grams to ounces divide by 28

25\ g=25/28= 0.89\ oz

The unit price is

2.75/0.89=3.09\frac{\$}{oz}

Let

x ----> the number of ounces of paprika

y ----> the cost of buying and shipping x ounces of paprika

5%=5/100=0.05

y=3.09x+(3.09x)0.05\\y=3.09x[1+0.05]\\y=3.2445x

Part b) For x=2.5 oz

substitute in the equation

y=3.2445(2.5)=\$8.11

\$8.11 > \$8.00

therefore

Customer cannot buy 2.5 ounces of paprika and have it shipped for less than $8.00

6 0
3 years ago
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