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Feliz [49]
3 years ago
15

Please help, algebra 1 unit 4 lesson 1

Mathematics
1 answer:
Fantom [35]3 years ago
6 0
The answer for A. Is Yes. For every number of cups, there is one height in centimeters. The answer for B. Is Yes. Each height in centimeters corresponds to one particular number of cups. Hope this helps.
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The measure of an angle is 8 degrees less than three times the measure of another angle. If the two angles are supplementary, wh
OLga [1]
Let x and y be the angles
X= 3•y-8
X+ y = 180
Substitute first relationship in second
3y-8+y=180
4y=180+8
Y =188/4= 47 degrees
X= 180-47=133 degrees
The measure of the large angle is
133 degrees
4 0
3 years ago
Find the area of a circle whose radius is 12 in. Round to the nearest tenth
irina1246 [14]
Area of a circle = pi r^2  = pi  * 12^2 =  452.4 in^2 to nearest tenth.

6 0
3 years ago
Read 2 more answers
Someone please help, i honestly don’t get how to find the angles
jeyben [28]
A.) the degrees inside the triangles are 50, 70, and 60. you know because 180-120=60
b.) you know that they are similar triangles because they have the same angle degrees.

im not sure if this is correct but i think it is :)

8 0
3 years ago
Train a is traveling at 30 mph faster than train b. If train a travels 350 miles in the same amount of time that train b travels
GalinKa [24]

Answer:

20 mph

Step-by-step explanation:

Let speed of Train a = Va mph

Let speed of Train b = Vb mph

Va = Vb + 30

Let time taken for Train a = Ta

Let time taken for Train b = Tb

time taken = distance travelled/speed

Ta = 350/Va = 350/(Vb+30)

Tb = 140/Vb

But they both travel in the same amount of time.

So, Ta = Tb

\frac{350}{v_{b} + 30}=\frac{140}{v_{b}}

Cross multiply

350v_{b} = 140(v_{b} + 30)\\\\350v_{b} = 140v_{b} + 4200\\\\350v_{b} -140v_{b} = 4200\\\\210v_{b} = 4200

Divide both sides by 210

\frac{210v_{b} }{210} \frac{4200}{210} \\\\v_{b} = 20 mph

4 0
2 years ago
*PLEASE ANSWER, DIFFICULT QUESTION ASAP* A particular airline offers three free snack options to it's passengers: cookies, chips
Svet_ta [14]
The answer would be 50% because you have the choice two options
4 0
3 years ago
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