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crimeas [40]
3 years ago
15

The sum of two numbers is 20. one number is three times as large as the second number. what are the two numbers? which let state

ment would you use?
Mathematics
1 answer:
Gnesinka [82]3 years ago
6 0
The answer is five and fifteen.
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on a lake, Carol rowed a boat for 1/8 mile. Then luke rowed the boat for 3/8 mile. how far did carol and like row in all? simpli
Semmy [17]

Answer:

Total = \frac{1}{2}

Step-by-step explanation:

Given

Carol = \frac{1}{8}

Luke = \frac{3}{8}

Required

How far did they row together

To do this, we simply add the distance they both covered.

Total = Carol + Luke

This gives;

Total = \frac{1}{8} + \frac{3}{8}

Take LCM

Total = \frac{1+3}{8}

Total = \frac{4}{8}

Simplify

Total = \frac{1}{2}

<em>Hence, they both rowed 1/2 mile</em>

7 0
2 years ago
Solve for k, 6k-2z=12
Alenkinab [10]
The previous question I answered was exactly like this.

6(4) - 2(6) = 12.

K = 4.
4 0
3 years ago
Determine if the given lines are parallel, perpendicular or neither.<br> 2x + 7y = 4<br> y = 3x + 5
bixtya [17]

Answer:

Perpendicular

Step-by-step explanation:

6 0
3 years ago
A consumer charges a $50 purchase on a credit card. The card has a daily interest rate of 0.038%. If the consumer pays off the b
Mariana [72]

Answer:

SIMPLE ONE-TIME INTEREST

I

=

P

0

r

A

=

P

0

+

I

=

P

0

+

P

0

r

=

P

0

(

1

+

r

)

I is the interest

A is the end amount: principal plus interest

P0 is the principal (starting amount)

r is the interest rate (in decimal form. Example: 5% = 0.05

Step-by-step explanation:

4 0
2 years ago
Given the diagram below, what is the length of segment EF
bekas [8.4K]
Let x = length of segment EF.

Assume that
(a) line segments AD,  EF, and BC are parallel, and
(b) the vertical distance between AD and EF is equal to the vertical distance between EF and BC.

Then from similarity between geometric shapes, we can write
\frac{2.2}{x} = \frac{x}{4.8}
x^{2} =(2.2)(4.8)=10.56
x=3.2   (nearest tenth)

Answer: B. 3.2
6 0
2 years ago
Read 2 more answers
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