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ella [17]
3 years ago
14

Need help with those problems please

Mathematics
1 answer:
mamaluj [8]3 years ago
4 0

Answer:

Step-by-step explanation:

Q. 17

Verticle angles are congruent

(6x+7) = (8x-17)

-6x from both sides

7 = 2x-17

add 17 to both sides

2x = 24

divide 24 by 2

x = 12

Q. 18

Linear pair = 180

(11x-15) + (5x-13) = 180

11x + 5x - 15 - 13 = 180

16x - 28 = 180

Add 28 to both sides

16x = 208

Divide 16

x = 13

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Solve for x.
vesna_86 [32]

Answer:

±\sqrt{\frac{y-4}{b} } = x

Step-by-step explanation:

to solve y = 4 + bx², we want <em>x</em> alone, so lets subtract 4 from both sides to start

y - 4 = bx² < now divide both sides by b to get x alone

\frac{y-4}{b} = x² < we can square root both sides to get rid of the x² in the equation

±\sqrt{\frac{y-4}{b} } = x

the equation above is our answer. looking at the answer choices, they look a bit messed up, but I would have to say the answer is A if that line above the <em>b</em> is a division symbol

3 0
3 years ago
Solve for x and y<br> 3x + 2y = 16<br> 7x + y = 19<br><br> (-2,-5)<br> (-2,5)<br> (2,5)<br> (2,-5)
Aliun [14]

Answer:

(2,5)

Step-by-step explanation:

it's (2,5) just to let you now

3 0
3 years ago
busby County is rectangular. a map of the county on a coordinate plane shows the vertices of the county at (-5,8),(8,8),8,-10),a
Korvikt [17]
The perimeter is 62 miles
7 0
4 years ago
-16-4 = ?<br> 4.? =<br> 4.<br> So, -16-4=
PIT_PIT [208]

Answer:

It's -16-4

Step-by-step explanation:

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Therefore its- 20

Plzzz brainlest

4 0
3 years ago
Read 2 more answers
Solve the equation or formula for the indicated variable. S=3r^4t, for t
algol [13]

we are given

S=3r^{4t}

Since, we have to solve for t

so, we will isolate t on anyone side

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we can simplify it

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divide both sides by 4ln(r)

t=\frac{ln(\frac{S}{3})}{4ln(r)}..............Answer

4 0
3 years ago
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