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3 years ago

Help me with 1 , 3, 5pleasee show your work

Mathematics

1 answer:

guapka [62]3 years ago

3 0

Answer: 1. 8x+40

3. -6m-18

5. -5x-1

Step-by-step explanation:

1. 8*x=8x 8*5=40

3. -2*3m=-6m -2*9=-18

5. -1*5x=-5x -1*1=-1

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45 degreese is used in a pie chart to reperesent 6 people. How many people were there altogehter?

KatRina [158]

We can solve this problem by the rule of three.
A complete pie chart has 360º.

45º----------------------6 people
360º-------------------- x

x=(360º*6 people) / 45º=48 people.

Answer; 48 people.

6 0

4 years ago

1 point

Alex

Answer:

Step-by-step explanation:

tan49=h/17

h=17tan49

h=19.6 m

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3 years ago

X-5 over (3x+9)(x-4)

STatiana [176]

Answer:

Simplified equation: $\frac{x-5}{3(x+3) (x-4)}$

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3 years ago

When x = 5, the value of the expression –2(x – 10) is

nikitadnepr [17]

Answer:

The value of the expression at x=5 is 10

Step-by-step explanation:

The given expression is $-2(x-10)$

Let us simplify this expression.

Distribute -2 over the parentheses, we get

$-2x+20$

Now, substitute x = 5, we get

$-2(5)+20$

On simplifying, we get

$-10+20\\=10$

The value of the expression at x=5 is 10

8 0

4 years ago

Read 2 more answers

Kerry’s grandmother, Mrs. Reynoso, is helping Kerry pay for guitar lessons. She has set up a special savings account to pay for

s2008m [1.1K]

Answer:

Month 5 is when it will be at $100

I hope this helps!

Step-by-step explanation:

x---0-----1-----2-----3----4-----5

y-300-260-220-180-140-100

y=40x+300

5 0

3 years ago