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Nana76 [90]
3 years ago
14

Solve for x: (x+3)²=1​

Mathematics
1 answer:
Stells [14]3 years ago
7 0

Answer:

x = -4 or x = -2

Step-by-step explanation:

(x + 3)² = 1​

x² + 6x + 9 = 1

x² + 6x + 8 = 0

(x + 4)(x + 2) = 0

x = -4 or x = -2

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10th grade geometry Help!!!
Airida [17]

Answer:

m∠W = (4x)° = 4 × 18 = 72°

m∠Y = (3x)° = 3 × 18 = 54°

m∠Z = (3x)° = 3 × 18 = 54°

Step-by-step explanation:

m∠W = (4x)°

m∠Y = (3x)°

m∠Z = (3x)°

i.e.,

We Know That,

The sum of a Triangle is 180°

So,

m∠W + m∠Y + m∠Z

i.e.,

(4x)° + (3x)° + (3x)° = 180°

10x° = 180°

x = 180/10

x = 18°

Now,

m∠W = (4x)° = 4 × 18 = 72°

m∠Y = (3x)° = 3 × 18 = 54°

m∠Z = (3x)° = 3 × 18 = 54°

Thus, x = 18°

<h3><u>FOR</u><u> </u><u>VERIFICATION ONLY</u><u>:</u></h3>

(4x)° + (3x)° + (3x)° = 180°

4 × 18 + 3 × 18 + 3 × 18 = 180

72° + 54° + 54° = 180°

180° = 180°

Hence, L.H.S = R.H.S

<u>-TheUnknown</u><u>S</u><u>cientist</u>

7 0
3 years ago
Please i seriously need step-by-step on this tyty
miv72 [106K]

Answer: G=4

Step-by-step explanation:

5 0
2 years ago
Leon needs to save more than $350 to buy a new bike. He has $130 saved so far, and he plans to save $20 each week until he has e
pashok25 [27]

Answer: He must save for 11 or more weeks.

Step-by-step explanation:

Using the inequality, we will solve for x to determine the number.

130 + 20x > 350    Subtract 130 from both sides

-130             -130

  20x > 220  

  x> 11

Since x is greater than 11, it means that if he saves for 11 weeks, then he will save the exact amount of $350, but since he wants to save more, he must save for 11 or more weeks.

8 0
3 years ago
Read 2 more answers
Six cell phones weigh 46.2 ounces. Fourteen cell phones weigh 107.8 ounces. What is the unit rate or constant of proportionality
iris [78.8K]

<u><em>Answer:</em></u>

<u><em>Well first we must see if they are proportional. </em></u>

<u><em> </em></u>

<u><em>46.2/6 = 10.7.8/14 </em></u>

<u><em>7.7 = 7.7 </em></u>

<u><em> </em></u>

<u><em>They are proportional. The rate of proportion is 7.7 ounces per cellphone. Hope this helps! </em></u>

<u><em /></u>

<u><em>Step-by-step explanation:</em></u>

8 0
3 years ago
Mr. Seidel filled up his 14-gallon gas tank for $44.26. What was the price per gallon of gas - to the nearest hundredth?
Nataly_w [17]

Answer:

$3.616

Step-by-step explanation:

4 0
3 years ago
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