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Semmy [17]
2 years ago
14

Please help!! Will mark brainliest!!

Mathematics
1 answer:
Viefleur [7K]2 years ago
5 0
The answer is B.

6.25x+30 < 9.75x+12
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-3/2 times (-5 1/4)
denis23 [38]

Answer:

63/8  or 7 7/8

Step-by-step explanation:

-3/2 * -5 1/4

Change the mixed number into an improper fraction

-3/2 * -21/4

Multiply straight across the numerators and denominators

63/8

7 0
3 years ago
Kate has a coin collection. She keeps 7 of the coins in a box witch is only 5%of her entire collection. What is the total number
yarga [219]

Answer:

140 coins total

Step-by-step explanation:

Straightforward, this reads "7 is 5% of how many?".  Algebraically, the word "is" means an equals sign, and the word "of" means you multiply.  Of course, the 5% needs to be in decimal form.  Taking the sentence above, algebraically it is:  7 = .05x.  Divide by .05 on both sides to get x = 140

8 0
3 years ago
Read 2 more answers
Which expression correctly represents "eight times the difference of four and a number"?
il63 [147K]

Answer:

8(4-x)

Step-by-step explanation:

You're multiplying the difference of four and a number (4-x) by eight (8). So writing as an expression would look like 8(4-x).

7 0
3 years ago
At Xcape Boardshop the price tag on the shirt says 12.58. Sales tax 7.5 of price. How much will you pay for the shirt
blsea [12.9K]

Answer:

$13.52

Step-by-step explanation:

5 0
3 years ago
(7, 1) and (x, 4); m = 3/4<br> missing value<br> 50 POINTS
Sever21 [200]

Answer:

x = 11

Step-by-step explanation:

4 - 1 / x - 7 (simplify)

3 / x - 7 = 3/4 (multiply by x - 7)

3 = 3/4 (x - 7)

3 = 3/4x - 5.25 (add 5.25 to both sides)

8.25 = 3/4x (divide both sides by 8.25)

x = 11

sub into the formula to check:

4-1 / 11 - 7

3 / 4

7 0
3 years ago
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