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Klio2033 [76]
3 years ago
7

2x + 8 = 14 solve the equation you may find using algebra tiles to be helpful

Mathematics
2 answers:
xeze [42]3 years ago
8 0

Answer:

x = 3

Step-by-step explanation:

2x + 8 = 14

2x = 6

x = 3

MArishka [77]3 years ago
6 0

Answer:

3

Step-by-step explanation:

subtract 8 from both sides

then divide 2 from both sides to get x = 3

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A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai
liubo4ka [24]
Keeping in mind that, there are 5280 feet in 1 mile, and 60 minutes in an hour and 60 seconds in each minute, thus 60*60 seconds in an hour, or 3600 seconds.

\bf \cfrac{76~\underline{feet}}{\underline{sec}}\cdot \cfrac{mile}{5280~\underline{feet}}\cdot \cfrac{3600~\underline{sec}}{hr}\implies \cfrac{76\cdot 3600~mile}{5280~hr}
\\\\\\
\cfrac{570~mile}{11~hr}\approx 51.\overline{81}\frac{mile}{hr}\\\\
-------------------------------\\\\
\textit{how many miles does it do in 3.1hrs?}\quad \cfrac{570}{11}\cdot 3.1
6 0
3 years ago
I spent 80% of my money and had $12 left. How much money did I have to start ?
xeze [42]
If you spent 80% that means you have 20% left, we'll use B as variable

20% x B = 12
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B = 60


6 0
4 years ago
Which unit of measurement would Guatemalans typically use to measure the weight of flour?
Angelina_Jolie [31]
Grams
At least that is what we use in Mexico and in most Latin-American countries
5 0
3 years ago
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Hola que es <br> 34+34+34+34+3+43+4+34+3+4+3
natka813 [3]

Answer: 230. 34 times five is 170. Then you are left with 170 + 3 + 43 + 4 + 3 +4 + 3. You can combine the 3's and you get 9. You are left with 179 + 4 +4 + 43 You combine the 4's and you get 187. 187 + 43 = 230.

4 0
3 years ago
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Graph the image of the given triangle under a dilation with a scale factor of 1/4 and center of dilation ​(0, 0)
schepotkina [342]

Answer:

The image in the attached figure

Step-by-step explanation:

we know that

The dimensions of the image of the given triangle are equal to the original dimensions of the pre-image multiplied by the scale factor

In this problem the scale factor is 1/4

The height of the pre-image is 4 units

The base of the pre-image is 8 units

Find out the dimensions of the image

The height of the image is (4)\frac{1}{4}=1\ unit

The base of the image is (8)\frac{1}{4}=2\ units

The image in the attached figure

6 0
4 years ago
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