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3 years ago

Need help asap!!! plzz

Mathematics

1 answer:

KIM [24]3 years ago

6 0

Answer:

D) 180

Step-by-step explanation:

Keep in mind to properly use a percent you must set it to a decimal.

To do so simply move the . in 75. over to the left 2 times. Which will go to .75!

Now time to multiply 240 by .45.

240 x .45 =180

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2(4x+3)=10x-2 Anyone know how to work this out? Working out needed

Step2247 [10]

Answer:

$x = 4$

Step-by-step explanation:

1. expand.

$8x + 6 = 10x - 2$

2. Subtract 8x from both sides.

$6 = 10x - 2 - 8x$

3. simplify 10x - 2 - 8x to 2x - 2.

$6 = 2x - 2$

4. Add 2 to both sides.

$6 + 2 = 2x$

5. Simplify 6+2 to 8.

$8 = 2x$

6. Divide both sides by 2.

$\frac{8}{2} = x$

7. Simplify 8/2 to 4.

$4 = x$

8. switch sides.

$x = 4$

Therefor, rhe answer is x=4

5 0

3 years ago

Use the definition of continuity to determine whether f is continuous at a. f(x) = 5x+5 a = -5 Question

Andrej [43]

ANSWER

$lim_{x \to - 5}(f(x)) = f( - 5)$

EXPLANATION

If f(x) is continuous at

$x = a$

Then,

$lim_{x \to a}(f(x)) = f(a)$

The given function is

$f(x) = 5x + 5$

$f( - 5) = 5( - 5) + 5$

$f( - 5) = - 25 + 5 = - 20$

$lim_{x \to - 5}(f(x)) = 5( - 5) + 5$

$lim_{x \to - 5}(f(x)) = - 20$

Since,

$lim_{x \to - 5}(f(x)) = f( - 5)$

The function is continuous at

$x = - 5$

4 0

3 years ago

Read 2 more answers

Simplify the equation ( 3(3) × 3 (4) ) ÷ 3 (2)

aksik [14]

Answer:

(3(3) × 3(4) ) ÷ 3(2)

(9 × 12) ÷ 6

108 ÷ 6

3 0

2 years ago

Read 2 more answers

Would 8ft. 24ft. and 33ft make a triangle?

jenyasd209 [6]

Remember, the length of the longest sid must be less than the sum of the other 2 sidess

33 is longest
33<24+8
33<32
false

it would not make a triangle

6 0

3 years ago

A: 42.4 B: 80.2 C: 92.8 D: 101.6

Vlad1618 [11]

Answer:

B. 80.2 square inches

Step-by-step explanation:

This figure is a composite figure made up of two rectangles (see attachment).

The area of a rectangle is denoted by: A = lw, where l is the length and w is the width.

In the top rectangle, the length is 3 and the width is 10.2, so A = 3 * 10.2 = 30.6 square inches.

The length of the bottom rectangle is 8 and the width is 6.2, so the area is A = 8 * 6.2 = 49.6 square inches.

Add these together: 30.6 + 49.6 = 80.2 square inches.

6 0

3 years ago

Read 2 more answers