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Leni [432]
3 years ago
8

What are the solutions

Mathematics
2 answers:
dalvyx [7]3 years ago
5 0
A and b are both correct
ella [17]3 years ago
5 0
X² + 10x + 25 = 8
(x + 5)(x + 5) = 8
(x + 5)² = 8
x + 5 = +-√8
x + 5 = +-(√4 × √2)
x + 5 = +-(2√2)

first solution
x + 5 = +2√2
x = -5 + 2√2
x = 2√2 - 5

second solution
x + 5 = -2√2
x = -5 - 2√2
x = -2√2 - 5

The answer is first option and second option
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Mrs. Franklin took her five children to an amusement park. The cost of tickets for the 2 younger children was $12.50 each. The c
melomori [17]

Answer:

$13.50

Step-by-step explanation:

The total amount spent $80.50 would be equal to the sum of the price of the ticket bought by the 6 individuals

total cost of the tickets for the  2 younger children = $12.50 x 2 = $25

let the price of each ticket for the three older children be represented by x. the total price of the 3 tickets would be 3x

$80.50 = $25 + 3x + 15

Collect like terms and solve for x

$40.50 = 3x

x = $13.50

3 0
3 years ago
Wich ordered pair is the solution to the system of linear equations y=-7x+2 and y=9x-14?
nignag [31]
Set them up to equal each other
-7x + 2 = 9x - 14
16 = 2x
x= 8
plug in the x value into any of the two y equations
y= 9 (8) - 14
y=58
points (8, 58)
3 0
3 years ago
24 times 20 no need to show work i just need an answer
Varvara68 [4.7K]
The answer is 540 hopes this helped you
7 0
3 years ago
Read 2 more answers
1.) What is the value of cosθ given that (−5, −4) is a point on the terminal side of θ?
jeka57 [31]

Answer:

1) C

2) D

Step-by-step explanation:

1)

We want to find the value of cos(θ) given that (-5, -4) is a point on the terminal side of θ.

This is represented by the diagram below.

Recall that cosine is the ratio of the adjacent side to the hypotenuse.

Find the hypotenuse:

\displaystlye \begin{aligned} a^2 + b^2 &= c^2 \\ c &= \sqrt{a^2 + b^2} \\ &= \sqrt{(4)^2 + (5)^2} \\ &= \sqrt{41}\end{aligned}

The adjacent side with respect to θ is -5 and the hypotenuse is √41. Hence:

\displaystyle \begin{aligned}\cos \theta &= \frac{(-5)}{(\sqrt{41})} \\ \\ &= - \frac{5\sqrt{41}}{41}  \end{aligned}

Our answer is C.

2)

We want to find the value of sin(θ) given that (-6, -8) is a point on the terminal side of θ.

This is represented in the diagram below.

Likewise, find the hypotenuse:

\displaystyle c = \sqrt{(-6)^2 + (-8)^2} = 10

Sine is given by the ratio of the opposite side to the hypotenuse.

The opposite side with respect to θ is -8 and the hypotenuse is 10. Hence:

\displaystyle \begin{aligned}\sin \theta &= \frac{(-8)}{(10)} \\ \\ &= -\frac{4}{5} \end{aligned}

Our answer is D.

8 0
3 years ago
I’ll mark brainliest help please.
andrezito [222]

Answer:

7inches

Step-by-step explanation:

1x7

3 0
3 years ago
Read 2 more answers
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