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3 years ago

Can someone please answer all these please?

1 answer:

4 0

A) $6.136
b) $997.25
c) 25%
d) $254.15
e) 4350
f) $400, 25% loss
g) $200
h) $7,987,50
5
a) 1min: 3min
b) $50:$70
c) $2400

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Solve for y Please help I need a tip

Gwar [14]

Answer:

y = 4

Step-by-step explanation:

Step 1: Write equation

9/4y - 12 = 1/4y - 4

Step 2: Solve for y

Subtract 1/4y on both sides: 8/4y - 12 = -4
Simplify: 2y - 12 = -4
Add 12 to both sides: 2y = 8
Divide both sides by 2: y = 4

Step 3: Check

Plug in x to verify it's a solution.

9/4(4) - 12 = 1/4(4) - 4

9 - 12 = 1 - 4

-3 = -3

4 0

2 years ago

A geometry class has a total of 27 students. The number of females is 13 less than the number of males. How many males and how m

Zanzabum

Answer:

20 males, 7 females

Step-by-step explanation:

x=males

x-13=females

x+x-13=27

2x-13=27

2x=40

x=20

20-13=7

6 0

2 years ago

A valet has 34 cars to park in a rectangular array, what are tge different ways the valet could park the cars

MrMuchimi

17 by 2 because 34 divided by 2 is 17

8 0

3 years ago

Factor 20x2 + 25x – 12x – 15 by grouping. 1. Group terms with common factors. 2. Factor the GCF from each group. 3. Write the po

RUDIKE [14]

Step 1:

 (((22•5x2) + 25x) - 12x) - 15)))


The first term is, 20x2 its coefficient is 20 .
The middle term is, +13x its coefficient is 13 .
The last term, "the constant", is -15


step 2 above, -12 and 25
 20x2 - 12x + 25x - 15

Step-4 : Add up the first 2 terms, pulling out like factors :
 4x • (5x-3)
 Add up the last 2 terms, pulling out common factors :
 5 • (5x-3)
Step-5 : Add up the four terms of step 4 :
 (4x+5) • (5x-3)
 Which is the desired factorizationFinal result : (5x - 3) • (4x + 5)

5 0

2 years ago

Read 2 more answers

Steve and Elizabeth decide to become partners in a children’s cooking school. They need $80,000 for the franchise. They invest i

PilotLPTM [1.2K]

Answer:

The share of Steve is $34,285 .71

The share of Elizabeth is $45,714.28

Step-by-step explanation:

The total investment of Steve and Elizabeth in cooking school = $80, 000

The ratio of investment of Steve and Elizabeth = 3: 4

Let us assume the common factor in the ratio is m.

So, the ratio of Steve = 3 m

and the ratio of Steve = 4 m

So, according to the question:

⇒ 3 m + 4 m = 80,000

or, 7 m = 80,000

⇒ m = 80,000 / 7 = 11,428.57

or, m = 11,428.57

⇒ The share of Steve = 3 m = 3 x (11,428.57) = 34,285 .71

⇒ The share of Elizabeth = 4 m = 4 x (11,428.57) = 45,714.28

4 0

3 years ago