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insens350 [35]
3 years ago
7

HELP ME PLEASEEEE!!!!!!!

Mathematics
1 answer:
brilliants [131]3 years ago
4 0

Answer: Pattern B

Step-by-step explanation: A quadratic relationship involves x squared. Pattern B has the relationship x squared + 1 between the step number and the number of dots

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A 15-foot ladder is leaning against a house. the base of the ladder is 4 feet from the house. to the nearest tenth of a foot, ho
adell [148]
The correct question is
<span>A 15-foot ladder is leaning against a house. the base of the ladder is 4 feet from the house. to the nearest tenth of a foot. </span>How high up the house does the ladder reach?

see the picture attached to better understand the problem

applying the Pythagoras Theorem
15²=4²+h²-----> h²=15²-4²-----> h²=225-16----> h=√209
h=14.46 ft------> h=14.5 ft

the answer is
14.5 ft

3 0
3 years ago
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th
Iteru [2.4K]

Answer:

8.90 seconds

Step-by-step explanation:

When the rocket hits the ground, its height ( <em>y</em> ) will be zero. This means we can write the equation as:

  • 0 = -16x²+129x+119

So we need to <u>solve that equation</u>:

  • a = -16
  • b = 129
  • c = 119
  • x = \frac{-b\frac{+}{-}\sqrt{b^2-4ac}  }{2a}

x₁ = -0.84

x₂ = 8.90

We discard x₁, as it is negative.

So the answer is x₂, 8.90 seconds.

8 0
2 years ago
NEED ANSWER ASAP PLEASE!!!!
Nady [450]

Answer:

B. They are lines in the same plane that never intersect.

Step-by-step explanation:

All of the other descriptions are describing perpendicular lines.

3 0
3 years ago
Read 2 more answers
What is the slope and the y intercept of the line on the graph below?
Ad libitum [116K]

The slope and the y intercept of the line on the graph is -1/4 and 1.

<h3>What is a Straight Line Function ?</h3>

A straight line function is what can be written in the form of

y =mx +c

where m is the slope and c is the intercept on y axis.

The intercept on the y axis , c = 1

at x = 4 , y=0

and at x = 0, y =1

The slope can be calculated as

y = mx+1

0 = 4m +1

m = -1/4

Therefore the slope and the y intercept of the line on the graph is -1/4 and 1.

To know more about Straight Line Function

brainly.com/question/13425362

#SPJ1

7 0
2 years ago
HELP WILL MARK BRAINLIEST
dimulka [17.4K]

Answer:

50

Step-by-step explanation:

If YW bisects <XYZ then is twice as big as one of the bisected angles. So <XYZ = 50

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3 years ago
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