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strojnjashka [21]
3 years ago
7

Solve my math question

Mathematics
1 answer:
shepuryov [24]3 years ago
8 0

Answer:

letter C

Step-by-step explanation:

keep learning On math

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PLEASE HELP WILL MARK BRAINLIEST
Sholpan [36]

Answer: Choice D

b greater-than 3 and StartFraction 2 over 15 EndFraction

In other words,

b > 3 & 2/15

or

b > 3\frac{2}{15}\\\\

========================================================

Explanation:

Let's convert the mixed number 2 & 3/5 into an improper fraction.

We'll use the rule

a & b/c = (a*c + b)/c

In this case, a = 2, b = 3, c = 5

So,

a & b/c = (a*c + b)/c

2 & 3/5 = (2*5 + 3)/5

2 & 3/5 = (10 + 3)/5

2 & 3/5 = 13/5

The inequality 2 \frac{3}{5} < b - \frac{8}{15}\\\\ is the same as \frac{13}{5} < b - \frac{8}{15}\\\\

---------------------

Let's multiply both sides by 15 to clear out the fractions

\frac{13}{5} < b - \frac{8}{15}\\\\15*\frac{13}{5} < 15*\left(b - \frac{8}{15}\right)\\\\39 < 15b-8\\\\

---------------------

Now isolate the variable b

39 < 15b-8\\\\15b-8 > 39\\\\15b > 39+8\\\\15b > 47\\\\b > \frac{47}{15}\\\\b > \frac{45+2}{15}\\\\b > \frac{45}{15}+\frac{2}{15}\\\\b > 3+\frac{2}{15}\\\\b > 3\frac{2}{15}\\\\

Side note: Another way to go from 47/15 to 3 & 2/15 is to notice how

47/15 = 3 remainder 2

The 3 is the whole part while 2 helps form the fractional part. The denominator stays at 15 the whole time.

7 0
3 years ago
Evaluate each expression for the given value of x -4x+7 for x=-1
pickupchik [31]
<span>given value of x -4x+7 for x=-1

</span>-4x+7
=-4(-1) + 7
=4 +7
=11
7 0
3 years ago
Determine the quotient, q(x), and remainder, r(x) when
Vinvika [58]
ANSWER

Quotient:

q(x) = 4 {x}^{2} + 3x + 2

Remainder:

r(x) = 3x + 1

EXPLANATION

The given functions are

f(x) = 12 {x}^{4} + 21 {x}^{3} + 31 {x}^{2} + 21x + 9

and

g(x) = 3 {x}^{2} + 3x + 4

We want to find the remainder and quotient when f(x) is divided by g(x).

We perform the long division as shown in the attachment.

The quotient is

q(x) = 4 {x}^{2} + 3x + 2

The remainder is

r(x) = 3x + 1

5 0
4 years ago
ANSWER ASAP (17 points)
elixir [45]

Answer:

A.) x > 50

Step-by-step explanation:

hopefully my answer helps! ♡

(if my answers helped you please tell me, therefore I know.. that I did them correctly or incorrectly. anyways, have a great day/night!)

3 0
3 years ago
Read 2 more answers
Determine the intercept of the line that passes through the following points. ​
masha68 [24]

Answer:

y-int=(0,40.5), x-int=(-18,0)

Step-by-step explanation: First you need to calculate the slope, which is 9/4. Then plug in a point into the y=mx+b, or slope intercept, equation using that slope.

9=(9/4)x+b. You'll get b is 40.5 which is y-int. Then plug in 0 for y and solve for x, which is your x int coordinate.

7 0
3 years ago
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