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frozen [14]
3 years ago
11

What is two expressions where the solution is 19

Mathematics
1 answer:
GuDViN [60]3 years ago
8 0
<span><span><u>Answer </u>
</span><span>10+9=19
75÷3=19


</span><span><u>Explanations </u>
</span><span>Expression is a mathematical statement that contain variables like a and b combined by operational signs. This sign can be ×,÷,+,-etc
A number like 19 has so many expression, for example we have;
10+9=19

57÷3=19
34-15=19
We can have as many expressions as possible. They are actually infinite. 
</span></span>
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The perimeter of a rectangular park is 500 feet. The length of the park is 100 feet longer than the width. Find the length of th
lord [1]

Answer:

The length of the park is 175 feet

Step-by-step explanation:

Let us solve the question

∵ The perimeter of a rectangular park is 500 feet

∵ The formula of the perimeter of the rectangle is P = 2(L + W)

∵ L is the length and W is the width

→ Equate the rule of the perimeter by 500

∴ 2(L + W) = 500

→ Divide both sides by 2

∴ L + W = 250 ⇒ (1)

∵ The length of the park is 100 feet longer than the width

→ That means L is W plus 100

∴ L = W + 100 ⇒ (2)

→ Substitute L in (1) by (2)

∵ W + 100 + W = 250

→ Add the like terms

∵ (W + W) + 100 = 250

∴ 2W + 100 = 250

→ Subtract 100 from both sides

∵ 2W + 100 - 100 = 250 - 100

∴ 2W = 150

→ Divide both sides by 2

∴ W = 75

→ Substitute the value of W in (2) to find L

∵ L = 75 + 100 = 175

∴ The length of the park is 175 feet

6 0
3 years ago
The equation yˆ=−5.131x2+31.821x−3.333 approximates the number of people standing in line to catch a commuter train x hours afte
Amanda [17]
Y ( 2 ) = - 5.131 · 2² + 31.821 · 2 - 3.3333 = 
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Answer: B ) 40.
6 0
3 years ago
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The path of a roller coaster after it has reached the top of the first hill follows a polynomial function as shown in the graph
Paraphin [41]
The interval that f(x) is increasing is the distance from 200 to 300.
The minimum value of f(x) in the interval 0<x<300 is 200.
At a value of 500, the value of f(x) is 0.
The function can't be a quadratic function since there are two points in the graph where f(x) changes its rate from increasing to decreasing or the opposite. A quadratic function has only one of that point.
5 0
3 years ago
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What is the arc measure of YWZ in<br> degrees?<br> (5w+4)<br> (11w)
Rashid [163]

Answer:

59 degrees

Step-by-step explanation:

In the figure below, XZ is a diameter of circle A.

Since the Angles (5w+4) and (11w) forms a straight line, then:

(5w+4)^\circ+(11w)^\circ=180^\circ\\5w+11w+4=180\\16w=180-4\\16w=176\\w=\frac{176}{16}\\ w=11

Therefore, the arc measure of YZ will be:

5w+4=5*11+4=59^\circ

4 0
3 years ago
Help (20 points, due tmr!! )<br><br> *pic below* :)
sveta [45]
Angles:
2 acute angles and 2 obtuse angles

Sides:
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