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ki77a [65]
3 years ago
15

Avery spent 170 minutes outside. If

Mathematics
2 answers:
tiny-mole [99]3 years ago
7 0

Answer:

58 minutes

Step-by-step explanation:

s = 170 - 64 - 48

s = 58

Aleksandr-060686 [28]3 years ago
7 0

Answer:

Avery spent 58 minutes swimming

Step-by-step explanation:

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Marcy has a total of 100 dimes and quarters. If the total value of the coins is $14.05, how many quarters does she have?
Elodia [21]
Let’s make two equations. D being dimes and Q being quarters.
D+Q=100
0.1d+0.25q=14.05
Now, let’s multiply the first equation by -0.10 so that we can cancel out D.
-0.1D-0.1Q=-10
0.1d+0.25q=14.05
Let’s solve
0.15Q=4.05
Let’s divide.
Q=27
So there’s 27 Quarters. Since there are 100 in total, there must be 73 dimes.
Let’s make sure this adds up.
0.25(27)+0.1(73)
6.75+7.30
14.05
So there’s 27 Quarters.
8 0
4 years ago
What height on the wall will a 15 foot ladder reach if its plaxed 3.5 feet from the base of a wall
quester [9]
I would be happy to help with this question!
you would need to use the pythagorean theorem inputting 3.5 for a and 15 for c. after this you will need to solve for b and you should get the answer of 14.6feet
7 0
3 years ago
Read 2 more answers
Viola is a collegiate volleyball player whose protein needs have been determined to be 1.4 g/kg body weight. Viola is 6'2" tall
Mazyrski [523]

Convert pounds to kilograms.

1 pound = 0.4536 kg.

170 pounds x 0.4536 = 77.11 kg.

Multiply weight by grams of protein per kg.

77.11 kg x 1.4 =107.95 grams. Round answer as needed.

5 0
3 years ago
356271 rounded to the nearest ten thousandths
professor190 [17]

Answer:

Depends on where the decimal point is

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How to solve 8x+y=23<br> -10x-y=-27
yuradex [85]
<h2>Hey there!</h2>

<h3>At first we have find the value of "y",</h3>

<h3>Finding the value of "y"</h3>

Here,

8x + y = 23 - 10x - y = - 27

10(8x + y) = 23 × 10 8 (- 10x - y) = - 27 × 8

80x + 10y = 230 ---> (i) - 80x - 8y = - 216 ----> (ii)

<h3>By elimination method,</h3>

<h3>Equation (i) - (ii)</h3>

(80x + 10y) - (-80x - 8y) = 230 - (-216)

=> 80x + 10y + 80x + 8y = 230 + 216

=> 10y + 8y = 446

=> 18y = 446

=> y = 446/18

=> y = 24.7

<h3>Putting the value of "y" in Equation (i)</h3>

80x + 10y = 230

=> 80x + 10 × 24.7 = 230

=> 80x + 247 = 230

=> 80x = 230 - 247

=> 80x = -17

=> x = -17/80

=> x = - 0.21

<h3>Therefore the values of "x" and "y" are</h3>

x = -0.21 and y = 24.7

<h2>Hope it helps </h2>

5 0
3 years ago
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