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DanielleElmas [232]
3 years ago
9

Given that RT ≅ WX, which statement must be true?

Mathematics
1 answer:
wel3 years ago
4 0
The length of TR<span> ≅ The length of XW</span>
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How many times greater is the value of the 4 in 400 than the value of the 4 in 40?
zzz [600]

Answer:

10X greater.

Step-by-step explanation:

4 x 10 = 40  4 x 100 = 400   40 x 10 = 400  40 ten times is 400

4 0
3 years ago
On a youth soccer team, 3 out of 12 team members have played previous years. Based on this information if 144 kids are in the yo
disa [49]

Answer:

36 is the answer

Step-by-step explanation:

please mark me brainliest

7 0
2 years ago
Which values of a and b make the following equation true? (5x7y2)(-4x4y5)=-20xayb
Kaylis [27]

Answer:

The values of a and b are a = 11 , b = 7

Step-by-step explanation:

* Lets explain how to solve the problem

* In the exponential functions we have some rules

1-  In multiplication if they have same base we add  the power

# Ex: b^m  ×  b^n  =  b^(m + n) ⇒ b is the base , m and n are the powers

2- In division if they have same base we subtract  the power

# Ex: b^m  ÷  b^n =  b^(m – n) ⇒ b is the base , m and n are the powers

3- If we have power over power we multiply them

# Ex: (b^m)^n = b^(mn) ⇒ b is the base , m and n are the powers

* Lets solve the problem

∵ The equation is (5x^{7}y^{2})(-4x^{4}y^{5})=-20x^{a}y^{2} ⇒ (1)

- At first multiply the coefficients

∵ -4 × 5 = -20

- Multiply the base x

∵ (x^{7})(x^{4})=x^{7+4}=x^{11}

- Multiply the base y

∵ (y^{2})(y^{5})=y^{2+5}=y^{7}

∴ (5x^{7}y^{2})(-4x^{4}y^{5})=-20x^{11}y^{7} ⇒ (2)

- By comparing (1) and (2)

∴ a = 11 and b = 7

* The values of a and b are a = 11 , b = 7

5 0
3 years ago
Read 2 more answers
PLZ HELP!!!!!!! AND NO LINKS
sladkih [1.3K]

Answer:

A

Step-by-step explanation:

Acids turn litmus paper red. The characters of acids are given by substance A. An acid tastes sour and also conducts electricity well because of ionization properties. Additionally, Hydrogen gas is produced from acid-base neutralizations because most if not all acids contain hydrogen.

8 0
3 years ago
Sara takes 5 tests.
kkurt [141]

Sara's score in the sixth test is 98.

<h3>HOW TO CALCULATE TOTAL FROM MEAN?</h3>

The mean of a set of data can be calculated by dividing the total sum by the number of data given.

According to this question, Sara is said to have a mean score of 62 in 5 tests and another mean score of 68 in 6 tests.

  • First total score = 62 × 5 = 310
  • Second total score = 68 × 6 = 408

Therefore, Sara's score in the sixth test can be calculated by subtracting 310 from 408 to give 98.

Learn more about mean at: brainly.com/question/521501

6 0
3 years ago
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