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PolarNik [594]
3 years ago
8

iddle" class="latex-formula">
Mathematics
1 answer:
ratelena [41]3 years ago
7 0
Answer : -7

Step- by- step- explanation:
( - 1) + ( -10 ) + 4
- 1 - 10 + 4
- 11 + 4
- 7

Hope this helps
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Rich bought 5 cupcakes and one pie. He knows his total bill is $13.14 and knows the pie was
Gre4nikov [31]

$6.25

Take the total and subtract the amount of money from the pies to get the amount for cupcakes

3 0
2 years ago
What is the answer to <br> x=3x-20 and y=-6+30
NISA [10]

Answer:y=24 and x=10

Step-by-step explanation:

To find the value of x and y in x=3x-20 and y=-6+30

We gets

y=24

To get x

x=3x-20

Collect like terms

x-3x=-20

Divide through by -2

-2x=-20

x=10

5 0
2 years ago
(9×106)(8×10k)=7.2×1015, find k.
katrin2010 [14]
<h2 />

Step-by-step explanation:

x = £FX/£F= 260+10k/40+k = 7.2

<h3>260 +10k = 288 + 7.2k 2.8 k = 28 k=10 </h3>
3 0
2 years ago
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Scorpion4ik [409]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Help answer please!!!!
MAVERICK [17]

Answer:

QR ≈ 16.2 ft

Step-by-step explanation:

Using the tangent ratio in the right triangle.

tan62° = \frac{opposite}{adjacent} = \frac{QR}{RP} = \frac{QR}{8.6} ( multiply both sides by 8.6 )

8.6 × tan62° = QR , then

QR ≈ 16.2 ft ( to the nearest tenth )

5 0
3 years ago
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