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2 years ago

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Mathematics

1 answer:

zvonat [6]2 years ago

7 0

Answer:

20 points

Step-by-step explanation:

If Jenny scored 3/5th of 50 points then:

Jenny = 3/5 × 50 = 30 points

If Hunter scored 1/5th of 50 points then:

Hunter = 1/5 × 50 = 10 points

Difference in points between Jenny and Hunter = 30 - 10 = 20 points

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Which expression is equivalent to RootIndex 3 StartRoot x Superscript 5 Baseline y EndRoot?

IRINA_888 [86]

Answer:

The answer is " $x^{\frac{5}{3}}y^{\frac{1}{3}}$ "

Step-by-step explanation:

Given value:

$\to \bold{ \sqrt[3]{x^5y} }$

$\to \sqrt[3]{x^5y} =(x^5y)^{\frac{1}{3}}$

formula:

$\bold{(a.b)^n=a^nb^n}$

$\to (x^5y)^{\frac{1}{3}}= x^{\frac{5}{3}}y^{\frac{1}{3}}$

The final value is: $\boxed{\boxed{ x^{\frac{5}{3}} \cdot y^{\frac{1}{3}}}}$

7 0

3 years ago

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PLSSS HELP ME ON THIS QUESTION

kvasek [131]

Answer:

a, c, a, a, b, c

Step-by-step explanation:

5 0

3 years ago

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Solve for x. Show all your work

olasank [31]

42°

Step-by-step explanation:

$\angle BAE =180\degree -132\degree$

(Angles in linear pair)

$\angle BAE =48\degree$

$\angle AEB =90\degree..(\because \overrightarrow{EC}\perp\overrightarrow{ED})$

$\angle ABE = 180\degree-(48\degree+90\degree)$

(Angle sum postulate of a triangle)

$\implies\angle ABE = 180\degree-138\degree$

$\implies\angle ABE = 42\degree$

$\angle CDE =\angle ABE = 42\degree$

(corresponding angles)

$\implies x\degree=\angle CDE$

(vertical angles)

$\implies x\degree=42\degree$

$\implies x=42$

3 0

2 years ago

I AM DOING MY HW AND I GOT STUCK ON THIS QUESTION CAN SOMEONE HELP ME AND EXPLAIN HOW THEY DID IT <333

gladu [14]

i) Plan A: 21/0,12 = 175 <min of calls>

Plan B: 15/0,14 ≈ 107 <min of calls>

=> 2 plans cost the same 107 min of calls

ii) The cost when 2 plans cost the same:

Plan A: 107 × 0,12 = 12,84$ ≈ 13$
Plan B: 107 × 0.14 ≈ 15$

Answer: i) 107 ii) A: 13$ B: 15$

3 0

2 years ago

Solve by substitution y = 2x - 5 and 3y - x = 5

Nostrana [21]

Answer:

(x, y) = (4, 3)

Step-by-step explanation:

The first equation gives an expression for y that can be substituted into the second equation:

3(2x -5) -x = 5

5x -15 = 5 . . . . . . simplify

5x = 20 . . . . . . . .add 15

x = 4 . . . . . . . . . . divide by 5

y = 2(4) -5 = 3 . . substitute for x in the first equation

(x, y) = (4, 3)

Solution by graphing confirms this result.

6 0

3 years ago