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IgorC [24]
3 years ago
11

Please Please help me with this answer

Mathematics
1 answer:
valina [46]3 years ago
5 0
Laverne has 9 blue pens and 4 black pens.
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Solve the following problems:<br> Find x , y PLEASE HELP
sukhopar [10]

Answer:

x=5/4, y=7/4

Step-by-step explanation:

This is a similar triangles problem.

The first triangle (the smaller one) has the lengths 5, 8 and 7.

The second triangle (the lager one) has the lengths 5+x, 10, and 7+y

Let's first solve for x

In any similar triangles problem, you can make two ratios (all the ratios of the sides are the same)

since we don't know the measures for x and y first, we can use the ratio of the parallel lines (the bases) as the first ratio (8/10)

For the second ratio, it's smaller/bigger, so it'll be 5/(x+5)

here's the proportion

5/(x+5)=8/10

But before we multiply, we can simplify 8/10 to 4/5

so

5/(x+5)=4/5

Cross multiply

25=4x+20

5=4x

5/4=x

For y, we can do a similar process

We can use 8/10 or 4/5 again

and the ratio of the sides for y will be 7/(y+7)

7/(y+7)=4/5

35=4y+28

7=4y

7/4=y

Hope this helps!

8 0
3 years ago
Dave receives a salary of $200 a week plus a commission of 10% of his weekly sales. An equation y = mx + b represents
iren [92.7K]

Answer:

d. y = 0.1x+ 200

Step-by-step explanation:

His weekly salary is 200, that is the y intercept

He makes 10%   (.10 in decimal form) of his weekly sales, that is the slope

y= mx+b

y = .1x+200

7 0
4 years ago
What did the signing of the armistice on november 11, 1918 mean?
andreyandreev [35.5K]

Answer:

the ceasefire that ended hostilities between the Allies and Germany

Step-by-step explanation:

hope this helps

plz mark brainliest

8 0
3 years ago
One week, Carlos bought 3 bags of Tabitha Tidbits and 4 bags of Figaro Flakes for $43.00. The next week he bought 3 bags of Tabi
andrezito [222]

The cost of one bag of Tabitha Tidbits costs $7.00 and cost of one bag of Figaro Flakes costs $5.50

Step-by-step explanation:

Let,

Cost of one bag of Tabitha Tidbits = x

Cost of one bag of Figaro Flakes = y

According to given statement;

3x+4y=43.00   Eqn 1

3x+6y=54.00   Eqn 2

Subtracting Eqn 1 from Eqn 2

(3x+6y)-(3x+4y)=54.00-43.00\\3x+6y-3x-4y=11.00\\2y=11.00

Dividing both sides by 2

\frac{2y}{2}=\frac{11}{2}\\y=5.50

Putting y=5.50 in Eqn 1;

3x+4(5.50)=43.00\\3x+22.00=43.00\\3x=43.00-22.00\\3x=21.00

Dividing both sides by 3

\frac{3x}{3}=\frac{21.00}{3}\\x=7.00

The cost of one bag of Tabitha Tidbits costs $7.00 and cost of one bag of Figaro Flakes costs $5.50

Keywords: linear equations, elimination method

Learn more about elimination method at:

  • brainly.com/question/537230
  • brainly.com/question/5345266

#LearnwithBrainly

4 0
3 years ago
What is the sum of 4 x 10^-5 and 3 x 10^-5
julsineya [31]

The answer is 35 because if you multiply

5 0
3 years ago
Read 2 more answers
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