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almond37 [142]
3 years ago
12

Help.........

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
6 0
Let x represent the number of $10 traveler's checks she has.
Let y represent the number of $20 traveler's checks she has.

10x+20y=300
\\x+y=22

Solve system of equations.

y=22-x
\\10x+20(22-x)=300
\\10x+440-20x=300
\\140=10x
\\x=14
\\y=22-14
\\y=8
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For all real values of m,<br> 8 + 3(m - 5) =?
sineoko [7]

Answer:

We have the value as 3m-7

Step-by-step explanation:

It is given that we have the real number m. Now we are required to find the simplified form or the value of the expression: 8 + 3(m - 5)

Thus we can write it as:

8 + 3(m - 5)\\=8 + 3m-3\cdot \:5

Here we have to use the property:

a\left(b-c\right)=ab-ac

So now we have:

8 + 3m-3\cdot \:5\\=8+3m-15\\=3m-7

So this is the required final value of the expression.

7 0
4 years ago
A student is attempting to convert a slope-intercept equation into standard form. Which of the following statements best applies
nalin [4]
The answer is B. They did not multiply the constant 2 by 4 when multiplying through to remove the fraction. so the correct answer would be x-4y=-8
4 0
3 years ago
Read 2 more answers
9th grade math help me understand please 20 points
Andrej [43]

Answer:

Lines 1 and 4 are parallel

Step-by-step explanation:

The image below shows the four lines graphed, and proves that lines 1 and 4 are parallel.

Hope this helps! :)

4 0
3 years ago
Find the length of a picture frame whose width is 3 inches and whose proportions
Romashka [77]

Answer:

correct answer is 9 inches

Step-by-step explanation:

8 0
2 years ago
What is a14 of the sequence 2,11,20,…?
Ksenya-84 [330]

Answer:

119

Step-by-step explanation:

Since the terms have a common difference (d) between consecutive terms then the terms are an arithmetic sequence with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

a₁ = 2 and d = 20 - 11 = 11 - 2 = 9, hence

a_{14} = 2 + (13 × 9) = 2 + 117 = 119

6 0
3 years ago
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