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serious [3.7K]
3 years ago
11

You can drive 450 on 18 gallons of gas how far can you travel on one gallon

Mathematics
2 answers:
crimeas [40]3 years ago
6 0

Answer:

25 miles

Step-by-step explanation:

valentina_108 [34]3 years ago
3 0

Step-by-step explanation:

I am going to guest 25 mins

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1. What is the simplified form of the following expression? <br><br> 12x
eimsori [14]

12x² - 3.5y + 10y + 1.5x² + y       Combine like terms

13.5x² + 7.5y

3 0
3 years ago
I would really appreciate help with the following, along with work shown so I can understand how these were solved.
Alja [10]

First, you have to know the double angle formula:

sin 2A  =  2 sin A cos A

cos 2A  =  cos² A − sin² A  =  2 cos² A − 1  =  1 − 2 sin² A

tan 2A<span> = 2 tan </span>A<span> / (1 − tan² </span>A)


Next, find the other leg: 17^2-15^=64, √64 is 8, so the unknown leg length is 8.

sinα=15/17, cosα=8/17, tanα=15/8

sinβ=8/17, cosβ15/17, tanβ=8/15

Plug these values in the above formula, you'll have your answers.


For the half angles, know the half-angle formula:

sin(B/2) = ± √<span>(1 − cos B)/2</span>

cos(B/2) = ± √<span>(1 + cos B)/2</span>

tan(B/2)  =  (1 − cos B) / sin B<span>  =  sin </span>B<span> / (1 + cos </span>B)

refer to this website for details:

<span>https://brownmath.com/twt/double.htm
</span>


For the power reduction formula, please search for it. I tried to copy and paste here, but it wouldn't paste. 

for number 4, factor the quadratic equation into (cscx-8)(cscx+1)=0

cscx=8 or cscx=-1

You may not have the csc button on your calculator. Recall that csc is 1/sin, so sinx=1/8 or sinx=-1, so x is either 7.18 or 270 degrees



6 0
3 years ago
A partner calls for 2 1/4 yard of material and 1 1/4 yards of lining.how much toyal fabric needed?
geniusboy [140]
3 1/2 

2 1/4+ 1 1/4 = 3 2/4 
or 3 1/2
7 0
3 years ago
Wayne bought a TV on hire purchase terms he paid the deposit of 2000 the remaining amount was paid in five equal monthly install
Alik [6]

Answer:

4,600 đnjxjbsbsbdbdhehsh

4 0
2 years ago
If 2(6 + 3x) + 1 = - 5 + 3(x - 1), what is the value of x?
Stels [109]

Answer: x = -7

Step-by-step explanation:

2(6 + 3x) + 1 = - 5 + 3(x - 1)

(2) (6) + (2) (3x) + 1 = -5 + (3) (x) + (3) (-1)

12 + 6x + 1 = - 5 + 3x + - 1

( 6x ) + ( 12 - 1 ) = ( 3x ) + ( -5 + -3 )

6x + 13 = 3x - 8

6x + 13 - 3x = 3x - 8 - 3x

3x + 13 = -8

3x + 13 - 13 = -8 - 13

3x = -21

3x/3 -21/3

X = -7

5 0
2 years ago
Read 2 more answers
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