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Leya [2.2K]
3 years ago
7

Which expression is equivalent to  when ?    ​

Mathematics
2 answers:
AlekseyPX3 years ago
4 0
Hopes this helps:

Answer: 5(9) + 20
34kurt3 years ago
3 0

Answer:

5(w + 4) \\  = 5(9 + 4) \\  = 5 \times 13 \\  = 65

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Add (3a+1)+(5x+8)=??
IrinaVladis [17]
Your answer should be 3a^2 + 5x + 9
5 0
3 years ago
In a Walk for charity you walk at a rate of 100 meters per minute how long does it take you to walk 2 km
Monica [59]
1 kilometer= 1,000 meters.
2 kilometers= 2,000 meters 
she can walk that far in 20 minutes


P.S. please give me brainliest answer. I need it!
7 0
3 years ago
On Monday, David woke up at 7:25 A.M. and went to sleep at 8:30 P.M. How long was David awake?
kaheart [24]
13h and 5min. Hope this helps:)

6 0
3 years ago
Complete the table of values for y=2xsquared+x
hodyreva [135]

The solution of y= 2x^{2} +x given as:

x:   0      1       2       3

y:   0      3      10      21

<h3>What is Linear Equation?</h3>

A linear equation is an algebraic equation of the form y=mx+b. involving only a constant and a first-order (linear) term, where m is the slope and b is the y-intercept.

Given function is:

y= 2x^{2} +x

For finding the solution of above expression, take value of x and solve for y.

  • If x=0

y= 2(0)+0

y=0

  • If x=1,

y= 2(1)^{2} +1= 3

  • If x=2

y=2(2)^{2} +2=10

  • If x=3

y= 2(3)^{2} +3=21

The required table is:

x:   0      1       2       3

y:   0      3      10      21

Learn more about linear equation here:

brainly.com/question/488051

#SPJ1

8 0
2 years ago
Find the length of side x in simplest radical form with a rational denominator.
madreJ [45]

Answer:

x=2√5

Step-by-step explanation:

<u>1st method:</u>

sin(30)=opposite/hypotenuse=√5/x

sin(30)x=√5

x=√5/sin(30)

x=2√5

<u>2nd method:</u>

cos(60)=adjacent/hypotenuse=√5/x

cos(60)x=√5

x=√5/cos(60)

x=2√5

<u>3rd method:</u>

This is a 30-60-90 triangle, so we can multiply the short side, √5, by 2, to get x=2√5

8 0
3 years ago
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