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KengaRu [80]
4 years ago
5

Find the value of each missing variable?

Mathematics
1 answer:
LenKa [72]4 years ago
6 0

Step-by-step explanation:

9x - 2 = 5x + 54 because these angles are corresponding

9x - 5x = 54 + 2 add/subtract like terms

4x = 56 and this divided by 4

x = 14

9x - 2 + 10y + 6 = 180° because these two angles makes a straight line

9×14 - 2 + 10y + 6 = 180°

126 - 2 + 10y + 6 = 180° add like terms

130 + 10y = 180° subtract 130 from both sides

10y = 50 divide by 10

y = 10

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The functions q and r are defined as follows
kolezko [41]

Answer:

98

Step-by-step explanation:

So we have the two functions:

g(x)=-2x-2\text{ and } r(x)=x^2-2

And we want to find the value of r(g(4)).

To do so, first find the value of g(4):

g(x)=-2x-2\\g(4)=-2(4)-2\\

Multiply:

g(4)=(-8)-2

Subtract:

g(4)=-10

Now, substitute this into r(g(4)):

r(g(4))\\=r(-10)

And substitute this value into r(x):

r(-10)=(-10)^2-2

Square:

r(-10)=100-2

Subtract:

r(-10)=98

Therefore:

r(-10)=r(g(4))=98

3 0
3 years ago
Tanya’s swim club increased their $29 membership fee by $6 a year. What is the approximate percent increase in the membership fe
astraxan [27]

Answer: it's increased by around 20%, because when 35 and 29 are divided and you multiply the decimal by 100, when you ignore the "1" at the front, it shows an approximate 20% increase. The answer is A.

Step-by-step explanation: PLEASE MARK ME BRAINLIST

7 0
4 years ago
Read 2 more answers
PLEASE HELP !!! help me solve 7th grade math
densk [106]

Answer:

x=6

Step-by-step explanation:

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7 0
4 years ago
2. The following formula relates three quantities: Force (F), mass (m), and acceleration (a).
alexandr1967 [171]
Given:  F=ma.  To solve for a, we isolate a on one side of this equation.  To do this, divide both sides of F=ma by m.  Then F/m = a.

Thus, if m=10 units, the acceleration is a = F/10 units.  Looks as tho' you were given the numeric value of F but did not share that value here.  

Solving F=ma for m:  m=F/a.  Thus, if F=25 units and a=5 units, m=25/5 units, or m=5 units.
7 0
3 years ago
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PLEASE HELP!!!!!!!!
11Alexandr11 [23.1K]

Answer:

The answers would be:
7) y=-0.5x+2
8) y=-0.5x+2
9) y=0.6x-2
10) y=6x-4

Step-by-step explanation:

7 0
2 years ago
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