3 years ago

Can you help me?

Mathematics

1 answer:

zalisa [80]3 years ago

4 0

Answer:

ig this is free pionts, sry whats the question???

Step-by-step explanation:

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If the sum of two numbers is 20 and one of those numbers is three times the other, what is the smaller number?

Mazyrski [523]

X = smaller number
y = bigger number

y = 3x

x+y = 20
x+3x = 20
4x = 20
x = 5

The smaller number is 5.

8 0

4 years ago

A new car is purchased for \$47,000$47,000 and over time its value depreciates by one half every 4.5 years. What is the value of

Lady_Fox [76]

It’s is 47,027.5 you need to add

3 0

3 years ago

8^x=2 write down the value of x

e-lub [12.9K]

Answer:

x = $\frac{1}{3}$

Step-by-step explanation:

Using the rule of exponents

$a^m^{n}$ = $a^{mn}$

Note that 8 = 2³ and 2 = $2^{1}$ , then

$(2^3)^{x}$ = $2^{1}$ , that is

$2^{3x}$ = $2^{1}$

Since the bases on both sides are equal, equate the exponents

3x = 1 ( divide both sides by 3 )

x = $\frac{1}{3}$

4 0

4 years ago

suppose a ladder 20 feet long is placed against a vertical wall 20 feet high. How far would the top of the ladder move down the

Taya2010 [7]

You can use the pythagoras theorem.

20^2=5^2+x^2

x^2=400-25
x^2=375

x = 19.36

20-19.36=0.64 feet

The answer is 0.64 feet :)

5 0

3 years ago

Can u guys help me out

Grace [21]

Answer:

Option B, 2x + 7

Step-by-step explanation:

Step 1: Factor

p(x) = 6x^3 + 17x^2 − 24x − 35

p(x) = (x + 1)(3x - 5)(2x + 7)

Answer: Option B, 2x + 7

7 0

4 years ago