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2 years ago

HELP PLEASE I NEED TO SUBMIT MY TEST!!

Mathematics

1 answer:

8090 [49]2 years ago

7 0

Answer: 20

Step-by-step explanation:

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Help me plzzzzzzzzzzzz

Paraphin [41]

Answer: -27/7

Step-by-step explanation:

5 0

2 years ago

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If |AB| / |DE|=7/5 then what is |AD| / |CD|?DE is parallel to AB

Dmitriy789 [7]

Answer: AD/CD = 2/5

Explanation:

Triangle ABC is similar to triangle DEC on the basis of AA(Angle angle)

Recall, if 2 triangles are similar, it means that the ratio of their corresponding sides are equal. Thus,

AB/DE = BC/EC = AC/DC

From the information given,

AB/DE = 7/5

Thus,

AC/DC = 7/5

AD + CD = AC

(AD + CD)/DC = 7/5

AD/DC + CD/DC = 7/5

AD/DC + 1 = 7/5

AD/DC = 7/5 - 1

AD/DC = 2/5

AD/CD = 2/5

4 0

5 months ago

There are infinitely How many pairs of numbers of which the sum of their cube roots is zero give two of these pairs

ivanzaharov [21]

Answer:

Infinite pairs of numbers

1 and -1

8 and -8

Step-by-step explanation:

Let x³ and y³ be any two real numbers. If the sum of their cube roots is zero, then the following must be true:

$\sqrt[3]{x^3}+ \sqrt[3]{y^3}=0\\ \sqrt[3]{x^3}=- \sqrt[3]{y^3}\\x=-y$

Therefore, any pair of numbers with same absolute value but different signs fit the description, which means that there are infinite pairs of possible numbers.

Examples: 1 and -1; 8 and -8; 27 and -27.

8 0

2 years ago

Witch of the following is the equal to 4 kilograms

likoan [24]

"the following" of what? I think you are missing the list

3 0

2 years ago

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The temperature is -3.5 degrees Fahrenheit at 7:00 am. During the next 4 hours, the temperature decreases by -15.5 degrees. What

Kruka [31]

-19 degrees Fahrenheit

7 0

3 years ago