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uranmaximum [27]
3 years ago
6

Can anyone help me with this dont answer if you dont no what it is and no deleting answers

Mathematics
1 answer:
telo118 [61]3 years ago
8 0
Do u do homeschooling i do to lol and it looks the same but u prob grades up
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Stoplight a changes color every 30 seconds and stoplight b changes every 40 seconds. after how many seconds will the stoplights
andrey2020 [161]

Answer:

After 120 seconds

Step-by-step explanation:

Here, we want to know the number of seconds after which both spotlights will change colors at the same time again.

Basically, what we want to do here is to

calculate the value with which 30 and 40 have the same multiples or we want to

calculate the lowest common multiple of 30 and 40

The multiples of 30 are 30,60,90,120 etc

The multiples of 40 are 40,80,120 etc

We can see that the lowest common multiple of both is 120

So therefore the spotlights will change colors at the same time after 120 seconds

6 0
3 years ago
How many solutions does the equation −2y + 2y + 3 = 3 have?
Kay [80]

The given equation is -2y+2y+3=3

By solving the given equation, we get

0\times y=0

0=0

While solving the equation,we get 0=0.

Therefore, the given equation is true for all the values of y.

Hence, we can say that the given equation has infinite number of solutions.

7 0
3 years ago
Read 2 more answers
plz hurry its timed thanks! Multiply and reduce to lowest terms. Convert into a mixed number if necessary. 3 x 3 7
9966 [12]

Answer:

111

Step-by-step explanation:

37

× 3

___

111

answer is 111

8 0
3 years ago
Are Triangles similar?
kvasek [131]

Given:

A figure of triangles.

To find:

Whether the triangles SPT and triangle QPR are similar.

Solution:

In triangle SPT and triangle QPR,

\angle PST\cong \angle PQR           (Given)

\angle SPT\cong \angle QPR           (Common angle)

In triangles SPT and triangle QPR, two corresponding angles are congruent. So, by AA property of similarity both triangles are similar.

\angle SPT\sim \angle QPR

Therefore, yes, the triangle SPT and triangle QPR similar. Option A is correct.

4 0
3 years ago
What is the length of a rectangle whose area is 5/8 square foot and width is 2 and one half feet?
AleksAgata [21]
1/4 ft

 2.5x=.625
x= .25
.25= 1/4
5 0
3 years ago
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