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2 years ago

After he completed his graduate work, he became a professor at

Mathematics

1 answer:

KengaRu [80]2 years ago

8 0

His school, but who is he?

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Write and solve an equation to find the number n. The difference of three times a number and 4 is -19.

Law Incorporation [45]

Answer:

-5

Step-by-step explanation:

Let n be the unknown number

difference is subtraction

3n -4 = -19

Add 4 to each side

3n-4+4 = -19+4

3n = -15

Divide by 3

3n/3 = -15/3

n = -5

4 0

2 years ago

Laura is saving money to buy a bike. She has $52 and is going to save an additional $8 each week. The bike costs $164. In how ma

Montano1993 [528]

14 weeks
164-52=112
112/8=14

8 0

2 years ago

Read 2 more answers

Hello i am depresed<br> please<br> help

Lesechka [4]

Answer:

Try relaxing, forget all problems at once, take deep breaths, because if you stress it could cause headaches. Listen to calming music, take a break every once in while. Try not to focus on the bad things that happened in your past! Focus on the good things in future that your smartness is allowing you to achieve! Trust me focusing on the bad things in life cause major headaches...never look back always look forward

5 0

2 years ago

In a certain chemical, the ratio of zinc to copper is 3 to 17. A jar of the chemical contains 697 grams of copper. How many gra

serg [7]

Answer:

first you have to divide 697 / 17 because 17 is the copper

and you want to know how much pairs it gives you

and the answer is 41 so you're forty-one pairs now u times 41 with 3 to find the grams of zinc in the certain chemical. and 41 * 3 = 123

so you have 123 grams of zinc in the certain chemical

Step-by-step explanation:

7 0

2 years ago

Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 3, YC = 2

Mazyrski [523]

Answer:

The ratio of the area of triangle XBY to the area of triangle ABC is $\frac{9}{25}$

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor and the ratio of its areas is equal to the scale factor squared

In this problem

Triangles XBY and ABC are similar, because the corresponding internal angles are congruent

see the attached figure to better understand the problem

step 1

Find the scale factor

Let

z-------> the scale factor

$z=\frac{BY}{BC}$