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meriva
3 years ago
6

Find the missing number of each unit rate

Mathematics
2 answers:
Igoryamba3 years ago
8 0
All you need to do is cross multiply for each one and then solve
21 = 7x
and
16 = 4x
then you solve which gives you 3 and 4 for your missing values
kkurt [141]3 years ago
4 0

Answer:

3 and 4

Step-by-step explanation:

21/7 = x/1

x = 21/7*1 = 3

16/4 = y/1

y = 16/4*1 = 4

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Hhellp pwease I want to know what's wrong and right
Studentka2010 [4]

Answer:

A: False

B: False

C: True

D: True

E: False

F: True

G: True

H: True

Step-by-step explanation:

A: 9(x - 2) = 9x + 2

9x - 18 = 9x + 2 FALSE

B: 65 - y = y - 65

(equation rearranged) -y + 65 = y - 65 FALSE

C: g (times) h = h (times) g     (TRUE due to the commutative property of multiplication)

D: a (times) 0 = 0      (TRUE because anything times 0 equals 0)

E: (4 (times) 2) - r = 4 (2 (times) r)

8 - r =  8 - 4r FALSE

F: k + 0 = k TRUE

G: (a + x) + y = a + (x + y)

a + x + y = a + x + y TRUE

H: 5(2x - 9) = 10x - 45

10x - 45 = 10x - 45 TRUE

6 0
2 years ago
A department store has a sale on shoes. For every pair of shoes, the sale price is 3/4 of the ticket price. If the sale price fo
andre [41]

Answer:

48

Step-by-step explanation:

Let p =  ticket price of the shoes

p * 3/4 = 36

Multiply each side by 4/3

4/3 *3/4 p = 4/3 *36

p = 48

The ticket price is 48 dollars

7 0
3 years ago
-18= 5-(6k - 19) i have the answer but i need help on how to get the answer 7?
insens350 [35]

Answer:

k = 7

Step-by-step explanation:

Step 1: Write equation

-18 = 5 - (6k - 19)

Step 2: Solve for <em>k</em>

<u>Distribute negative:</u> -18 = 5 - 6k + 19

<u>Combine like terms:</u> -18 = -6k + 24

<u>Subtract 24 on both sides:</u> -42 = -6k

<u>Divide both sides by -6:</u> k = 7

Step 3: Check

<em>Plug in k to verify it's a solution.</em>

-18 = 5 - (6(7) - 19)

-18 = 5 - (42 - 19)

-18 = 5 - 23

-18 = -18

7 0
3 years ago
pete took out a 48 month loan for $5,200 to buy a used mortorcycle. if the simple interest rate is 8.5 % how much will he have p
alexdok [17]

Answer:he would have paid $6,968.00

Step-by-step explanation:

5200x0.085=442. 42/12=4. 4x422=1768

1768+5200=6968

6 0
2 years ago
Read 2 more answers
Can someone help me please
IgorLugansk [536]

Answer:

B

Step-by-step explanation:

The slope is 4.

Let's find the slope between your two points.

(1,−2); (3,6)

(x1,y1) = (1,−2)

(x2,y2) = (3,6)

Use the slope formula:

m = y2−y1 / x2−x1

= 6− −2 / 3−1

= 8 / 2

= 4

Answer:

m = 4

7 0
2 years ago
Read 2 more answers
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