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Free_Kalibri [48]
3 years ago
5

The distance time graph represents a journey made by Joe what did you do at 10 minute at what speed was Joe moving for the last

30 minutes of the journey
Mathematics
1 answer:
Nikolay [14]3 years ago
7 0

Answer:

a)At 10min= Jo arrived at the destination and prepare to return.

b)8km/h

Step-by-step explanation:

speed = distance/time  30/3.75=8

Hope this helps

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What is the equation of this line?<br><br>A: y=-3/2x<br>B: y=2/3x<br>C: y=-2/3x <br>D: y=3/2x​
creativ13 [48]

Answer:

b) y = 2/3x

Step-by-step explanation:

Slope (m) formula: \frac{y_2-y_1}{x_2-x_1}

I will be using (3,2) and (-3,-2) to find the slope:

m=\frac{-2-2}{-3-3}\\m=\frac{-4}{-6} \\m = \frac{2}{3}

y = mx + b\\y = \frac{2}{3}x+b

(3,2)

y = \frac{2}{3}x+b\\\\2 = \frac{2}{3}(3)+b\\\\2 = 2+b\\-2  -2\\\\0=b

y=mx+b\\\\y = \frac{2}{3}x+0\\\\y = \frac{2}{3}x

Hope this helps!

8 0
2 years ago
2x+1y=25 <br> find the equation of x
leonid [27]

Answer:

x=

−1

2

y+

25/2

Step-by-step explanation:

Let's solve for x.

2x+1y=25

Step 1: Add -y to both sides.

2x+y+−y=25+−y

2x=−y+25

Step 2: Divide both sides by 2.

2x

2

=

−y+25

2

x=

−1

2

y+

25

2

8 0
3 years ago
in a sale normal prices are reduced by 15%. the sale price of a CD player is $102. work out the normal price of the CD player.
morpeh [17]
.85x=102
x=120
The answer is $120.
8 0
3 years ago
Write the number shown in two different ways. standard form and expanded form.<br><br><br> 79,031
olga nikolaevna [1]
Standard Form: 79,031

Expanded Form: 70,000 + 9,000 + 30 + 1
6 0
3 years ago
Read 2 more answers
Find the cosine of both angle A and angle B.
Svetach [21]
We know that

cos A=adjacent side angle A/hypotenuse
adjacent side angle A=24 units
hypotenuse=26 units

cos A=24/26-----> 12/13

cos B=adjacent side angle B/hypotenuse
adjacent side angle B=10 units
hypotenuse=26 units

cos B=10/26------> 5/13

the answers are
cos A=12/13
cos B=5/13

cot A=adjacent side angle A/opposite side angle A
adjacent side angle A=24 units
opposite side angle A=10 units
cot A=24/10------> cot A=12/5

cot B=adjacent side angle B/opposite side angle B
adjacent side angle B=10 units
opposite side angle B=24 units
cot B=10/24------> cot B=5/12


8 0
3 years ago
Read 2 more answers
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