3 years ago

Write an expression that can be used to find 4x275 using mental math and properties of numbers

Mathematics

1 answer:

Reil [10]3 years ago

4 0

4 x 200 + 4 x 70 + 4 x 5

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1 - 10x = 81 <br> Value of X?

igomit [66]

x = -8

Step-by-step explanation:

Step 1: Subtract 1 from both sides

$1 - 10x - 1 = 81 - 1 \\ - 10x = 80$

Divide both sides of the equation by -10

$\frac{ - 10x}{ - 10} = \frac{80}{ - 10} \\ \\ x = - 8$

4 0

3 years ago

Read 2 more answers

Which graph represents the function f(x) = |x + 3| ?

romanna [79]

Answer:

Step-by-step explanation:

Si haces una fracción buscando su denominador te da resultados

3 0

3 years ago

Find all the real square roots of 9/16

Rainbow [258]

Answer:

0.1875

Step-by-step explanation:

NO EXPLANATION

°^°

8 0

3 years ago

Pls Help I’m stuckThere are 89 students in the Oakwood Middle School band. The number of boys in the band is 5 more than twice t

Rasek [7]

Answer:

Step-by-step explanation:

5 more than 2 times the girls

89=5+2x

x=42

4 0

3 years ago

If f(x) = |x| + 9 and g(x) = –6, which describes the value of (f + g)(x)?

bazaltina [42]

(f+g)(x) = f(x) + g(x) = (|x| + 9 ) + (-6) =

|x| + 9 - 6 = |x| + 3

Answer is |x| + 3

7 0

4 years ago