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Vaselesa [24]
2 years ago
11

Solve the following system using the algebraic method of substitution. Verify your solution.

Mathematics
1 answer:
kap26 [50]2 years ago
5 0

I've done it on the attached pages.

I hope this helps you...

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(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
3 years ago
a total of $30 was placed in for envelopes a different amount in each one money from the largest share was taken up to double ea
melisa1 [442]
The answer is 2, 4, 8 and 16 (added=$30) 
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Double the original $2 = $4 
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4 0
3 years ago
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Andrews [41]
The correct answer is line TX and line QX are perpendicular.
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3 years ago
If y is 9 and x is 12, what additional information is necessary to show that triangle DUM is congruent to triangle MAP using the
Law Incorporation [45]
                         Δ DUM         Δ MAP

hypotenuse:      15                2y-3
short leg:             12                0.5x + 6

y = 9 ⇒ 2(9) - 3 = 18 - 3 = 15 Congruent with the hypotenuse of Δ DUM
x = 12 ⇒ 0.5(12) + 6 = 6 + 6 = 12 Congruent with the short leg of Δ DUM

SAS postulate states that two triangles are congruent if 2 of its sides and 1 angle have equal measure. Both the hypotenuse and short leg are equal in measure. Thus, both triangles are congruent with each other.
6 0
3 years ago
Round 11,234 in 4 different ways
mafiozo [28]
11,000 or 10,000 or 11,200 or 11,230
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3 years ago
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