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Gre4nikov [31]
3 years ago
14

The roots of the equation x2 + 2x + 5 = 0 are

Mathematics
1 answer:
Tanya [424]3 years ago
4 0
Is x = - 7/2. I hope this helped if u need the explanation plz comment and I’ll explain
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What is the 7th term of the geometric sequence where a1 = 625 and a2 = −125?
allsm [11]
The seventh term of the sequence is
-1
—
25
8 0
3 years ago
Please answer all 4 questions:)
Scorpion4ik [409]

Answer:

1. d=m/v

=57.6/112.9

=0.51018601

=0.510g/cm³(3s.f.)

2. m=d×v

=1.8×54

=97.2g

3. v=m/d

=63.8/12.7

=5.02362205

=5.02cm³(3s.f.)

4. v=length×breath×height

=12×2×6

=144m³

216g=0.216kg

d=m/v

=0.216/144

=0.0015kg/m³

Step-by-step explanation:

density=mass/volume

mass=density×volume

volume=mass/density

*make sure the units are correctly placed.

*g/cm³, kg/m³

3 0
3 years ago
Read 2 more answers
One restaurant uses 5 quarts of soup to make 20 equal servings. Another restaurant uses 7 quarts of soap to make 25 equal servin
rjkz [21]
20/5=4
25/7=<span>3.57142857143 Rounded to the nearest tenth: 3.6
4>3.6
If you want the nearest whole, you would round down to 3 because you would be short of 4.
3<4 </span>
5 0
3 years ago
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Two complementary angles are represented by x and x+14 . find the value of x
qaws [65]

Answer:

x=38\textdegree

Step-by-step explanation:

Remember that complementary angles <em>always </em>add up to 90°.

We know that the two complementary angles are represented by (x) and (x+14). In other words:

(x)+(x+14)=90

So, let's solve for x.

First, combine like terms:

2x+14=90

Let's isolate the x by subtracting 14 from both sides:

(2x+14)-14=(90)-14

The left cancels. Subtract on the right:

2x=76

Divide both sides by 2:

\frac{2x}{2}=\frac{76}{2}

The left side cancels. Divide on the right:

x=38\textdegree

So, the value of x is 38°.

And we're done!

6 0
3 years ago
Read 2 more answers
The length of a rectangular garden is 5m greater than its width. The area of the garden is at least 45m^2. What are the possible
Sonbull [250]

Answer:

the garden can be at the lest 4.7 x 9.7 from there its X times X+5

Step-by-step explanation:

8 0
3 years ago
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