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choli [55]
3 years ago
9

Evaluate the expression when b=5 and x = -7. -b+7x

Mathematics
2 answers:
olganol [36]3 years ago
7 0

\huge\textsf{Hey there!}

\mathsf{-b+7x}\\\\\mathsf{-5+7(-7)}\\\\\mathsf{7(-7)=\boxed{\large\textsf{\bf -49}}}\\\\\mathsf{-5+49}\\\\\mathsf{= \boxed{\large\textsf{\bf -54}}}\\\\\\\boxed{\boxed{\large\textsf{Answer: \huge\bf  -54 }}}\huge\checkmark

\large\textsf{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

svlad2 [7]3 years ago
6 0

Answer:

-54

Step-by-step explanation:

Substitute the numbers for the variables.

-(5)+7(-7)

=-5-49

=-54

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Citrus2011 [14]
3/5 is your answer. Hope this helps. There’s a picture attached with the work.

8 0
2 years ago
Does the point (–3, 4) satisfy the equation y = –2x + 5? Yes Or No
Mekhanik [1.2K]

Answer:

No

Step-by-step explanation:

y = -2x + 5

4 = -2(-3) + 5 - Substitute both x and y

4 = 6 + 5 - Simplify

4 ≠ 11

Hence, no, (-3, 4) doesn't statify the equation y = -2x + 5

6 0
2 years ago
Problem is in the attached image. Thanks in advance!
lutik1710 [3]

Answer: it will take 2.5 hours for both people to meet after person B leaves.

Step-by-step explanation:

The distance between the house of person A and his cousin's house is 234 miles.

At the point where they meet, they would have travelled 234 miles.

Person A travelled at an average speed of 44 miles per hour.

Let t represent the time spent by Person A in travelling from his house to the point where they meet.

Distance = speed × time

Distance covered by person A would be

44 × t = 44t

One and half hours later, person B leaves his house to visit person A, travelling at an average speed of 62 miles per hour. This means that total time spent by person B in travelling to the point where they meet is (t - 0.5) hours. Distance covered would be

62(t - 0.5) = 62t - 31

Since the total distance covered is 234 miles, then

44t + 62t - 31 = 234

106t = 234 + 31 = 265

t = 265/106 = 2.5 hours

3 0
2 years ago
Identify the maximum or minimum value, domain, and range of the graph of the quadratic function.
Virty [35]

Answer:

See below ~

Step-by-step explanation:

<u>Details of the graph of the quadratic equation</u>

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  • Domain : <u>all real numbers</u>
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5 0
2 years ago
How do you solve 4(8x+5)
alexandr1967 [171]

Answer:

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Step-by-step explanation:

4*8x+4*5=

32x+20

3 0
2 years ago
Read 2 more answers
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