3 years ago

Evaluate radical expressions challenge

Mathematics

1 answer:

Stella [2.4K]3 years ago

8 0

U multiply the radicals then the total answer will be a radical

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There are 75 people waiting in line for concert tickets. Only 40% actually get tickets. How many got tickets?

solong [7]

75 * 0.4 = 30 people

3 0

3 years ago

Please help and explain so I understand!!

olga_2 [115]

Answer:

x=5

Step-by-step explanation:

$4x^2-11=89$

add 11 to both sides

$4x^2=100$

Divide 4 on both sides

$x^2=25$

Take the square root of both sides to eliminate the power of two from x

$\sqrt{x^2} =\sqrt{25}$

Simplify

$x=5$

8 0

3 years ago

To find the x-intercept, we let y = 0 and solve for x and to find y-intercept, we let x=0 and solve for y. Figure out the x-inte

Dima020 [189]

Answer:

<h2> X-intercept: (2, 0) </h2><h2> Y-intercept: (0, 6) </h2>

Step-by-step explanation:

X-intercept means y-coordinate of 0:

6x +2×0 = 12

6x = 12

x = 2 ← x-coordinate

Y-intercept means x-coordinate of 0:

6×0 + 2y = 12

2y = 12

y = 6 ← y-coordinate

3 0

3 years ago

Find the product. Write your answer in scientific notation.<br><br> (7 x 10^-2) (8 x 10^5) =

lakkis [162]

Answer:

7×10^(-2)×8×10^5 = 56000

convert to scientific notation = 5.6 × 10^4

(scientific notation)

= 5.6e4

(scientific e notation)

= 56 × 10^3

(engineering notation)

(thousand; prefix kilo- (k))

= 56000

(real number)

Step-by-step explanation:

6 0

3 years ago

- To make homemade window cleaner, Shivani combines vinegar and water in the ratio of 1:7 by volume. How

rewona [7]

V:W
1:7
1+7=8
1/8*45=5.625 ml of vinegar

8 0

3 years ago