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jek_recluse [69]
3 years ago
13

Pleaaaseee helpppppp

Mathematics
1 answer:
blagie [28]3 years ago
7 0

the answer to this is Yes

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Which graph would help you find the solutions of 2 – x2 = –x?
Lelechka [254]

Step-by-step explanation:

A quadratic graph will surely help you find the solutions

X2-x-2=0

x1=2 x2= -1

Substitute each of the x value in the original equation to get the y value

(2)^2-(2)-2= 0 (2,0)

(-1)^2-(-1)-2=-2 (-1,-2)

plot the coordinates on the graph,the graph should be a curve

6 0
3 years ago
3[1/5x2[1/7 what does this equal
tensa zangetsu [6.8K]

Answer:

168

Step-by-step explanation:


6 0
3 years ago
There are 350 members in a swimming club. Of them, 2/7 are new members. Of the new members, 3/10 are females. How many new femal
djyliett [7]
350 / 7 = 50
50 * 2 = 100

100 new members

100 / 10 = 10
10 * 3 = 30

30 are new female members
5 0
3 years ago
Read 2 more answers
Write an expression that can be used to multiply 6x198 mentally
Black_prince [1.1K]
6(100+90+8) is the equation
6x100 =600
  6x90 =540
    6x8  = 48
             1,188 is the answer                                      



7 0
3 years ago
Read 2 more answers
Find all solutions to the equation:
crimeas [40]

Let z = sin(x). This means z^2 = (sin(x))^2 = sin^2(x). This allows us to go from the equation you're given to this equation: 7z^2 - 14z + 2 = -5

That turns into 7z^2 - 14z + 7 = 0 after adding 5 to both sides. Use the quadratic formula to solve for z. The only solution is z = 1 (see attached image). Since we made z = sin(x), this means sin(x) = 1. All solutions to this equation will be in the form x = (pi/2) + 2pi*n, which is the radian form of the solution set. If you need the degree form, then it would be x = 90 + 360*n

The 2pi*n (or 360*n) part ensures we get every angle coterminal to pi/2 radians (90 degrees), which captures the entire solution set.

Note: The variable n can be any integer.

7 0
3 years ago
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