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3 years ago

Write this phrase as an expression. “25 more than 50”

2 answers:

8 0

Answer: 50+25. (however, if you mean x is 25 more than 50, it would be x=50+25, sometimes people mean that there was supposed to be a variable in this equation so there you go)

Step-by-step explanation: It says 25 more than 50, so the 50 is the first number in this expression. More than is the same as addition, so 50+25.

Brut [27]3 years ago

6 0

25+50 I assume...I mean I could be wrong but what else would it be

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Jorden leaves home for school on his bike everyday at 6:00 AM, traveling at 32 km/h. one day he forgot his homework, which his m

densk [106]

Answer:

She caught up with Jordan at 6:39 AM

Step-by-step explanation:

We solve this question making linear functions for the distances that Jorden and his mom have driven, and then we equalize them to find the moment they caught up.

Jorden leaves home for school on his bike everyday at 6:00 AM, traveling at 32 km/h.

Her mom will have left 15 minutes after he left, when he will already have traveled $\frac{15*32}{60} = \frac{32}{4} = 8\text{km}$

So, his position after t minutes can be modeled by the following function:

$J(t) = 8 + 32t$

His mom

His mom goes after him starting from home, so the initial position is 0, with a velocity of 52 km/h. So her position can be modeled by the following function:

$M(t) = 52t$

At what time did she catch up with Jorden,

She catches up t minutes after 6:15 AM.

t is found when

$M(t) = J(t)$

$8 + 32t = 52t$

$20t = 8$

$t = \frac{8}{20}$

$t = 0.4$

0.4 of an hour is 0.4*60 = 24 minutes.

So she catched up with Jordan after 6:15 AM + 24 minutes = 6:39 AM

4 0

2 years ago

Brooke has scores of 84, 72, 90, 95, and 87 on her first five quizzes. After taking the sixth quiz, Brooke’s mean score increase

nexus9112 [7]

86, 90, and 92

Explanation:add all numbers together and divide it by the amount of numbers there are (5) and it comes out with 85.6 so it has to be higher since it increased

6 0

2 years ago

The interior angle of a regular polvgon is 9 times the size of its exterior angle

Thepotemich [5.8K]

<h3>Answer: 20 sides</h3>

==================================================

Work Shown:

x = exterior angle

9x = interior angle

interior + exterior = 180

9x+x = 180

10x = 180

x = 180/10

x = 18

n = number of sides

n = 360/x

n = 360/18

n = 20

There are <u>20</u> sides to the regular polygon.

Side notes:

The formula to determine n only works for regular polygons.
A polygon with 20 sides is known as an icosagon.
Any pair of adjacent interior and exterior angles are supplementary. They add to 180 degrees.

3 0

1 year ago

Represent 4y + 10 in factored form

Serggg [28]

4y + 10 =
2(2y + 5) <== factored form

7 0

3 years ago

Read 2 more answers

22. The area of a triangle can be represented by the expression 14x^5 + 63x^2. If the base is 7x^2, write

kkurt [141]

Answer:

h = 4x ^ 3 + 18

Step-by-step explanation:

The first thing you should know for this case is that the area of a triangle is given by:

A = (1/2) * (b) * (h)

Where,

b: base.

h: height.

Clearing the height we have:

h = ((2) * (A)) / (b)

Substituting the values

h = ((2) * (14x ^ 5 + 63x ^ 2)) / (7x ^ 2)

Simplifying the expression:

h = ((2) * (2x ^ 3 + 9))

h = 4x ^ 3 + 18

answer

an expression to represent its height is

h = 4x ^ 3 + 18

4 0

3 years ago