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pantera1 [17]
3 years ago
10

One solution of the equation x2 + 5x + 4 is -4. What is the other solution?​

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

Answer:

<h2>x = -1</h2>

Step-by-step explanation:

x^2+5x+4=0\\\\x^2+x+4x+4=0\\\\x(x+1)+4(x+1)=0\\\\(x+1)(x+4)=0\iff x+1=0\ \vee\ x+4=0\\\\x=-1\ \vee\ x=-4

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Can you please help me on this question 8(4-x)=7x+2
kati45 [8]

Answer:

2=x

Step-by-step explanation:

8(4-x)=7x+2

Distribute

32 - 8x = 7x+2

Add 8x to each side

32 - 8x+8x = 7x+8x+2

32 = 15x+2

Subtract 2 from each side

32-2 = 15x+2-2

30 = 15x

Divide each side by 15

30/15 = 15x/15

2 =x

5 0
3 years ago
matt can buy an 8-ounce jar of salsa for $2.79 or a 15-ounce jar os salsa for $5.54. which jar has the best unit rate?
oee [108]
8/2.79 = 1/2.867, or $2.86 per each oz
15/5.54 = 2.707/1, or 2 oz for every 1 dollar

the 15 oz jar of salsa has the better unit rate

hope this helps
7 0
2 years ago
The product of 5 and the cube of a number increased by the difference of 6 and x
Kobotan [32]

Answer:

A = (5 x Z³) + (6 - X)

Step-by-step explanation:

given the information provided, this is the equation you're looking for

8 0
2 years ago
A group of children, 6 to 10 years old, were asked how many video games they owned. The scatter plot shows the results.
eimsori [14]
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3 0
3 years ago
I’m Atlanta, the tax on a property assessed at $930,000 is $19,530. If tax rates are proportional in this city, how much would t
igomit [66]

Answer:

The tax on property assessed at $660,000 is  <u>$13860 </u>.

Step-by-step explanation:

Given:

In Atlanta the tax on a property assessed at $930,000 is $19,530.

The tax rates are proportional to this city.

Now, to find the tax on a property assessed at $660,000.

So, <em>we need to get the tax rate of Atlanta first.</em>

Tax Rate = Tax / Property assessed × 100.

Tax\ rate=\frac{19530}{930000} \times 100

Tax\ rate=0.021 \times 100

Tax\ rate=2.1\%

<em>According to question the</em><u><em> tax rates are proportional.</em></u>

<em>So, </em><u><em>for getting the tax in this city we use the same rate of Atlanta</em></u><em>:</em>

Tax = tax rate of property assessed.

Tax = 2.1\% of\ \$660,000

Tax = \frac{2.1}{100}\times 660000.

Tax = 0.021\times 660000

Tax=\$13860

Therefore, the tax on property assessed at $660,000 is $13860.

6 0
2 years ago
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