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aivan3 [116]
3 years ago
6

Anyone please !!!!!!

Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0

Answer:

4

Step-by-step explanation:

Lets start by plugging in our (a) value

a^2 + 5a + 4

(-5)^2 + 5(-5) +4

25 - 25 + 4

0 + 4

4 is your final answer!

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5. Which of the following situations could be solved using the equation 3m + 5 = 11? Select two
Volgvan

Answer:

2

Step-by-step explanation:

Box in your 3m. Subtract 5 from both sides. You get 6. Now, divide 6 by 3 which is boxxed and you get 2.

6 0
2 years ago
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Alondiscoperis building two circuior gardens. The smaller garden hos a sodius of 2 meters. The larger garden has an area that is
Vesnalui [34]

Answer:

4\pi * 7 = 28\pi

28\pi - 4\pi = 24\pi = 75.36

75 square meters

Step-by-step explanation:

7 0
3 years ago
How much simple interest does 2560 earn in 17 months at a rate of 1 1/8
Tatiana [17]

Answer:185.87

Step-by-step explanation:

Explanation:

simple interest (SI) can be calculated using the formula

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

∣

2

2

S

I

=

P

R

T

100

2

2

∣

∣

∣

−−−−−−−−−−−−−−−

where P is the Principal, that is amount of money

R is the rate of interest

T is time in years

here P

=

$

2560

,

R

=

5

1

8

=

41

8

and T

=

17

12

years

⇒

S

I

=

2560

×

41

8

×

17

12

100

⇒

S

I

=

2560

×

41

×

17

100

×

8

×

12

⇒

S

I

≈

$

185.87

to nearest cent

4 0
3 years ago
The equation of the line of best fit of a scatter plot is y = 6x − 9. What is the slope of the equation? –6 –9 9 6
Vinil7 [7]
6 is the answer because it is 6x therefore the gradient increases by 6 each time<span />
5 0
3 years ago
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An ellipse has a center at the origin, a vertex along the major axis at (0, 17), and a focus at (0, −8). Which equation represen
Marianna [84]
We know that
<span>Since the focus and vertex are above and below each other, rather than side by side, I know that this ellipse must be taller than it is wide.
</span>Then 
a²<span> will go with the </span>y<span> part of the equation
</span>Also, since the focus is 8 <span>units below the center, then </span><span>c = 8
</span>since the vertex is 17<span> units above, then </span><span>a = 17
</span>The equation b²<span> = a</span>²<span> – c</span>²<span> gives me
</span>b²=17²-8²-----> b²=225
the equation is
y²/a²+x²/b²=1------> y²/289+x²/225=1

the answer is
y²/289+x²/225=1

see the attached figure

7 0
3 years ago
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