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Gemiola [76]
3 years ago
9

Q = 5p + 3r If p=6 And if r=-4 Work out the value of q.

Mathematics
2 answers:
Marat540 [252]3 years ago
3 0

Answer: q = 18

Step-by-step explanation:

q=5p+3r, p=6, r=-4

First, let's plug in the numbers that we <em>do</em> know

q=5(6) + 3(-4)

Second, we should be able to figure the equation now that it is in simplified form.

q = 30 + (-12)

q = 18

USPshnik [31]3 years ago
3 0

Answer:

18

Step-by-step explanation:

q=5p + 3r. when p=6 and r=-4

substitute p and r into the equation

q= 5{6} + 3{-4}

q= 30 + {-12}

"+ * - = -"

so..... 30 -12 = 18

q = 18

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Evaluate the limit 9n^3 + 5n - 2/2n^3
VikaD [51]

Answer:

9/2    if  n goes to infinity  and that the 2n^3 is under the whole expression

Step-by-step explanation:

Let me clear this .

find  limit  (9n^3  + 5*n  - 2)/ (2n^3)

as n --> infinity

Did I put the parentheses in the right spot?

because if you leave it the way you did, then the whole expression goes to positive infinity as n goes to infinity  But I will do this with parentheses

so

find  limit  (9n^3  + 5*n  - 2)/ (2n^3)

simplify expression

limit   (9/2)  +   5/(2n^2)   -   1/(n^3)

=  (9/2)  + 0  - 0

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4 0
3 years ago
Sal is making bracelets for a fundraiser.he uses 6 inches of yarn per bracelets how many bracelets can sal make with 5 feet of y
kodGreya [7K]

Answer:-Sal can make 10 bracelets with 5 feet of yarn.


Explanation:-

We know that 1 foot = 12 inches

⇒1 inch=\frac{1}{12}\ foot

Yarn used for 1 bracelet = 6 inches=\frac{6}{12}\ feet=0.5 foot

Number of bracelets made in 5 feet=\frac{5}{0.5}=10

therefore, Sal can make 10 bracelets with 5 feet of yarn.

4 0
3 years ago
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The graph of the function f(x) = –(x + 6)(x + 2) is shown below.
schepotkina [342]

Answer:

a. The function is increasing for all real values of x where  x < –4.

Step-by-step explanation:

Let me help you, I have answered this question once in Brainly as well

Given the factored form of the function:

f(x) = -(x + 6)(x+2)

<=> f(x) = -x^{2} - 8x -12

We will convert to vertex form

f(x) = -(x+4)^{2} + 4

Let analyse other possible answers:

<u>a. The function is increasing for all real values of x where  x < –4.</u>

True, because  the parameter a = - 1 so the graph open down all over its domain

<u>b. The function is increasing for all real values of x where  –6 < x < –2.</u>

Wrong, the function decrease in the interval from –4.< x < -2

<u>c. The function is decreasing for all real values of x where  x < –6 and where x > –2.</u>

Wrong, the function increase in the interval from -6 < x < -4

<u>d. The function is decreasing for all real values of x where  x < –4.</u>

Wrong,  The function is increasing  for all real values of x where  x < –4.

7 0
3 years ago
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Savings are what percentage of monthly net income? Round your answer to the nearest whole percent.
cricket20 [7]
To find the percent of the monthly income that is savings, you will divide the amount saved by the total amount of income.

300/1387 = 0.216

The approximate percentage of income that is savings is 22%.

7 0
3 years ago
Im just giving out points whats 2+1
omeli [17]

Answer:

3

Step-by-step explanation:

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4 0
3 years ago
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