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3 years ago

25 - (x+3) = 2(2x+1)

Mathematics

2 answers:

likoan [24]3 years ago

7 0

Answer: x = 4

Step-by-step explanation:

25-(x+3)=2(2x+1) Distribute - on left side and 2 on the right side

25-x-3=4x+2 Add or subtract the like terms

-x+22=4x+2 Solve for x

-4x -4x subtract -4x

-5x+22=2

-22 -22 subtract -22

-5x/-5= -20/-5 divide -5 to get x alone

x= 4

krok68 [10]3 years ago

6 0

The answer is X=4!!!

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Karen walked 3.5 miles to her friends house. She wants to express this distance in feet. Write a proportion to find the number o

nata0808 [166]

Step-by-step explanation:

1 mile=5280 feet

2 miles=10560 feet

3 miles=15840 feet

3.5 miles=18480 feet

Answer:

1 mile= 5280 feet

3.5 miles= x

4 0

3 years ago

The claim is that the proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statis

Ainat [17]

Answer:

The test statistic Z = 3.125

Step-by-step explanation:

Given Population proportion P = 0.25

Given sample size 'n' = 696

Sample proportion 'p⁻' = 0.30

Test statistic

$Z = \frac{p^{-} -P}{\sqrt{\frac{P Q}{n} } }$

$Z = \frac{0.30-0.25}{\sqrt{\frac{0.25 X 0.75}{696} } } = 3.125$

Final answer:-

The test statistic Z = 3.125

3 0

3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!! Show your work

cestrela7 [59]

Well start with reflecting abc over the y axis

7 0

3 years ago

Solve problem: 8-6•4+10/2

Westkost [7]

Answer: -11

Step-by-step explanation: Hope this helps

3 0

3 years ago

Read 2 more answers

This for composite figures

Vinil7 [7]

Answer:

114 square meters

Step-by-step explanation:

The figure decomposes into two congruent trapezoids, each with bases 15 m and 4 m, and height 6 m. The area formula for a trapezoid is ...

A = 1/2(b1 +b2)h

Each trapezoid will have an area of ...

A = 1/2(15 +4)(6) = 57 . . . . square meters

The figure's area is twice that, so is ...

figure area = 2 × 57 m² = 114 m²

7 0

2 years ago

25 - (x+3) = 2(2x+1)​

25 - (x+3) = 2(2x+1)