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3 years ago

4 in 6 houses have a dog. There are 12 houses. How many have a dog? A: 6 B: 4 C: 8

Mathematics

2 answers:

shutvik [7]3 years ago

7 0

C:8 Multiply by 2. Very easy

oee [108]3 years ago

6 0

If 4 in six houses have a dog you can make that a fraction like 4/6.
The question is asking to have a 12 at the bottom of the fraction like x/12
to get to 12 from 6 you multiplied by 2.
Multiply 4 by 2 and that is your answer.

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Two skiers are 30 kilometers apart and head towards each other. They meet in 2 hours. If the second skier is 5 kilometers per ho

DENIUS [597]

Answer:

Speed of first skier = 5 km/h

Speed of second skier = 10 km/h

Step-by-step explanation:

Given:

Distance between skiers = 30 km

Time after which they meet = 2 hours

Second skier is 5 km/h faster than the first skier.

To find speed of each skier.

Solution:

Let the speed of first skier be in km/h = $x$

<em>Distance covered in km 2 hours will be = $Speed\times time=x\times 2=2x\ km$ </em>

Speed of second skier in km/h can be given as = $x+5$

<em>Distance traveled by second skier after 2 hours will be = $Speed\times time=(x+5)\times 2=(2x+10)\ km$ [Using distribution]</em>

Since, the skiers were 30 km apart initially, so the total distance covered by both of them when they meet after 2 hours will be = 30 km

Thus, we have:

$2x+2x+10=30$

Solving for $x$

$4x+10=30$

Subtracting both sides by 10.

$4x+10-10=30-10$

$4x=20$

Dividing both sides by 4.

$\frac{4x}{4}=\frac{20}{4}$

$x=5$

Speed of first skier = 5 km/h

Speed of second skier = $5+5$ = 10 km/h

8 0

3 years ago

An item is regularly priced at $65. Laura bought it at a discount of 15% off the regular price. How much did Laura pay?

Sonja [21]

Answer:

9.75

Step-by-step explanation:

7 0

3 years ago

Find the measure of

jok3333 [9.3K]

Answer:

119

Step-by-step explanation:

because if u see <EAC AND<BAD. are vertical so if u add 62°to 57° or adds up to 119

3 0

3 years ago

-34 + 91 = -3 (4x + 1) + 6x

ra1l [238]

$-34 + 91 = -3(4x+1) + 6x\\57 = -12x - 3 + 6x\\6x = -60\\x= -10\\$

Thus x = -10.

Hope that helps!

3 0

2 years ago

Read 2 more answers

SOMEONE HELP ME PLSSSSSSS

mr Goodwill [35]

Answer:

y = 8x

Step-by-step explanation:

hope this is what u need if not comment and I'll change it

7 0

3 years ago