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alekssr [168]
3 years ago
11

X+50=278 PLease help really quick

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
8 0
The X in your equation is equal to 228.
Anon25 [30]3 years ago
7 0

Answer: x= 228

x= 278-50

x=228

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Find the surface area of the shape shown below.
const2013 [10]

Step-by-step explanation:

TSA of a cuboid= 2(lb+bh+lh)

= 2(5×4+4×1.5+5×1.5)

= 2(20+6+7.5)

= 2× 33.2

= 66.4 square units

7 0
3 years ago
A ball is thrown into the air. The height in feet of the ball can be modeled by the equation, h(t) = −16t2 + 10t + 6 where t is
Lelechka [254]

A function assigns the value of each element of one set to the other specific element of another set. The correct option is D.

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

A function assigns the value of each element of one set to the other specific element of another set.

The time at which the ball will hit the ground is,

h(t) = −16t² + 10t + 6

0 = -16t² + 10t + 6

8t² - 8t + 3t - 3= 0

8t(t-1)+3(t-1) = 0

(8t+3)(t-1)=0

t = -0.375, 1

Hence, the ball hit the ground at 1 second, while the function in intercept form can be written as h(t) = (−8t − 3)(2t − 2).

Thus, the correct option is D.

Learn more about Function:

brainly.com/question/5245372

#SPJ1

6 0
2 years ago
Solve the inequality for x. Show each step of the solution.<br> 4x-6(x+1)&gt;12
VLD [36.1K]
Answer:

x < - 9

steps:

4x - 6(x + 1) > 12

2x - 3(x + 1) > 6

2x - 3x - 3 > 6

2x - 3x > 6 + 3

-x > 6 + 3

-x > 9

x < -9


hope this helps, have a great day
mark brainliest :)!!

8 0
3 years ago
IM IN DESPERATE NEED FOR HELP SOMEONE HURRRRYYY
LenaWriter [7]

Answer:

yes, triangle DEF is similar to triangle DBC, BC corresponds to EF, and angle DCB corresponds to angle F.

Step-by-step explanation:

Part A: Angle D is congruent to angle D by the reflexive property. Since line BC is parallel to line EF then angle DCB = angle DFE by corresponding angles.  Hence triangle DEF is similar to triangle DBS by the AA Similarity Postulate.

Part B: BC corresponds to EF because they are in the same order and the triangles listed DEF and DBC

Part C: Angle DCB corresponds to angle F since they are corresponding angles with the two given parallel lines BC and EF.

3 0
3 years ago
Matthew's dad hired him to paint 6 wooden patio chairs for $125. It takes him 9 hours to paint all of the chairs. If it takes th
frozen [14]

Given:

Matthew's dad hired him to paint 6 wooden patio chairs for $125.

Time taken by him to paint all of the chairs = 9 hours.

It takes the same amount of time to paint each chair.

To find:

The fraction of an hour does it take Matthew to paint one chair

Solution:

Total time = 9 hours

Total number of chairs = 6

Now, time taken by Matthew to paint one chair is

\dfrac{\text{Total time}}{\text{Total number of chairs}}=\dfrac{9}{6}

\dfrac{\text{Total time}}{\text{Total number of chairs}}=\dfrac{3}{2}

Therefore, Mattew takes \dfrac{3}{2} of an hour to paint one chair.

Thinking with a model: On dividing the total time by total number of chairs we get time taken by Mattew (in hours) to paint one chair. So, the result represents the fraction of an hour taken by Matthew to paint one chair.

8 0
3 years ago
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