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2 years ago

Juan runs in place for 256 minutes on Monday. He runs in place for 112 times as long on Tuesday.

Mathematics

1 answer:

disa [49]2 years ago

4 0

Answer:

the answer is 4.25 or 4 1/4

Step-by-step explanation:

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Use slopes and y-intercepts to determine if the lines 10x+3y=−3 and 5x−4y=−3 are parallel.

kvasek [131]

Answer:

They are not parallel

Step-by-step explanation:

original equation

10x + 3y = -3

subtract 10x

3y = -10x - 3

divide by 3

y = -10/3x - 1

original equation

5x - 4y = -3

subtract 5x

-4y = -5x-3

divide by -4

y = 5/4x + 3/4

the slopes are not equal to each other (5/4x and -10/3x) so they are not parallel

4 0

1 year ago

What is the value of x?

Iteru [2.4K]

Answer:

x=15 degree

Step-by-step explanation:

5x +5+6x -1+3x+5x+3+4x+8 =360 degree (exterior angles of pentagon is 360 degree)

23x +15 =360

23x=360-15

x=345

x=345/23

x=15 degree

4 0

2 years ago

A a fraction close to but greater than 1 1/2

Bad White [126]

Answer:

Step-by-step explanation:

1 1/2 = 3/2

6 0

2 years ago

Four friends want to take a vacation together, so each one gets a part-time job. Each person has 8 weeks to save $720 for the va

san4es73 [151]

Both friend A and C will save enough money in 8 weeks.

6 0

2 years ago

Read 2 more answers

What is the length of AB?

Xelga [282]

Answer:

Step-by-step explanation:

From the attachment,

In ΔDEF,

DF = GH-(GD+FH) = 6 - (2+3) = 1 cm

DE = 2+3 = 5 cm (sum of two radius)

Applying Pythagoras theorem,

$EF=\sqrt{DE^2-DF^2}=\sqrt{5^2-1^2}=\sqrt{24}=2\sqrt6$

In ΔCDI,

DI = GH-(GD+IH) = 6 - (2+1.5) = 2.5 cm

CD = 2+1.5 = 3.5 cm (sum of two radius)

Applying Pythagoras theorem,

$CI=\sqrt{CD^2-DI^2}=\sqrt{3.5^2-2.5^2}=\sqrt6$

AB = EF + CI = $2\sqrt6+\sqrt6=3\sqrt6=7.35\ cm$

6 0

3 years ago

Read 2 more answers