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Rom4ik [11]
3 years ago
9

-4x -2(8x =1)=-(2x - 10)

Mathematics
1 answer:
lubasha [3.4K]3 years ago
7 0
-4x-2(8x=1)=-(2x-10)

-First, use the distributive property.
So distribute -2 to 8x=1  then distribute the negative - to (2x-10)
So it'd be:  -4x-16x=-2=-2x+10
Then combine like terms:
-20x=-2=-2x+10
-18x=-2=10
-18x=8
Divide -18x by 8
x=-2.25

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Does anyone know how to solve this?
Oksi-84 [34.3K]

Answer: Okay so do 3x7.5 then 3x11.5 then 7.5x11.5 then add it up and you should get  143.25

3 0
1 year ago
The principal P is borrowed at a simple interest rater for a period of time t. Find the loan's future value A, or the total amou
Andrews [41]
Simple interest formula:
I=PRT

I(interest money created in dollars)
P(initial amount of money)
R(interest rate as a decimal)
T(time in years)

I=7000(.07)(6)
I=$2,940

Therefore, the future value of A is $2,940
8 0
3 years ago
Joni has a circular garden with a diameter of 14 1/2 feet if she uses 2 teaspoons of fertilizer for every 25 square feet of gard
alina1380 [7]

Answer:

13.20 teaspoon of fertiliser needed for entire garden.

Step-by-step explanation:

Diameter of the garden = 14.50 ft

Radius of the garden = 7.25 ft

Area

[tex]A=\pi r^2[/text]

[tex]A=\pi \times 7.25 \times 7.25[/text]

[tex]\pi=3.14[/text]

[tex]A=\pi \times 7.25 \times 7.25[/text]

[tex]A=3.14 \times 7.25 \times 7.25[/text]

Hence

[tex]A=165.046[/text]

Area is 165.046 Sq Ft

For 25 sq ft of fields the fertiliser needed = 2 tea spoon

For 1 sq ft of fields the fertiliser needed =

[tex]\frac{2}{25}[/text] tea spoon

For 165.046 sq ft of fields the fertiliser needed =

[tex]\frac{2 \times 165.046 }{25}[/text] tea spoon

For 165.046 sq ft of fields the fertiliser needed = 13.20 tea spoon

6 0
2 years ago
Please help please thanks
alexandr402 [8]
Fraction: 16/75
Decimal: 0.21
8 0
3 years ago
HELP PLEASE ASAP!!!!
balu736 [363]

Answer:

D and A

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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