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Rom4ik [11]
3 years ago
14

What is 9k + 1 = ─9 + 7k solved for the variable???

Mathematics
1 answer:
m_a_m_a [10]3 years ago
4 0

Answer:

k = -5

Step-by-step explanation:

The variable is k

9k + 1 = -9 + 7k

-7k        -1

2k = -10

2k/2  -10/2

k = -5

:)

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Evaluate q-r if q= -14 and r=-6
Blababa [14]

Answer:

- 8

Step-by-step explanation:

substitute q = - 14 and r = - 6 into the expression

q - r

= - 14 - (- 6)

= - 14 + 6

= - 8

5 0
2 years ago
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A recipe calls for 2/3 cup of milk for 11 cookies. How many cups of milk are needed for 165 cookies​
gavmur [86]

Answer:

11 x 15 = 165, so to make 165 cookies, you would need 15 times the milk.

2/3 times 15 = 10

You would need 10 cups of milk to make 165 cookies

7 0
3 years ago
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I need help with this problem asap
FinnZ [79.3K]

════════ ∘◦❁◦∘ ════════

<h3>Answer</h3>

a = 36

b = √3/5

════════════════════

<h3>Known </h3>

Adjuscent = 12√3

════════════════════

<h3>Question</h3>

Opposite = ?

Hypotenuse = ?

════════════════════

<h3>Way to do</h3>

• finding a - opposite

#use tan formula

tan(∅) = opposite / adjuscent

tan(60) = opposite / 12√3

opposite = tan(60) × 12√3

opposite = 36

•finding b - hypotenuse

#use cos formula

cos(∅) = adjuscent / hypotenuse

cos(60) = 12√3 / hypotenuse

hypotenuse = 12√3 : cos(60)

hypotenuse = √3/5

════════════════════

3 0
3 years ago
The shipping cost for order at an online store is 1/10 the cost of the items you order. What is an expression for the total cost
Katen [24]

Answer:

B. $79 + 0.1($79)

Step-by-step explanation:

Given that;

the shipping cost for an order = 1/10 multiply by the cost of the items bought;

i.e.  \dfrac{1}{10}\times x

where

x = cost of items ordered for.

This implies that:

\implies x + 0.1x

The objective is to determine the expression for the total cost of an order which is $79

x = 79

Then,  the total cost of an order is

$79 + 0.1($79)

4 0
3 years ago
ANSWER FAST PLEASE!!!
forsale [732]

Answer: D

Step-by-step explanation:

We know that the line y=10 is shaded below, so it represents y \leq 10.

Similarly, the line y=x+1 is shaded above, so it represents y > x+1.

3 0
2 years ago
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