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IrinaK [193]
3 years ago
13

The sum of the measures of the interior angles of a quadrilateral is 360°. If the acute interior angle of the figure measures 75

°, what does the obtuse interior angle measure?
Mathematics
1 answer:
quester [9]3 years ago
3 0
The sum of the interior angles of a quadrilateral is 4 Right Angles or 360 Degrees.

Hope this helps
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Samantha sends her son, Barry, to a preschool center on certain days. The cost of preschool is $45 per day along with a fixed mo
MAXImum [283]

Answer:

<h3><em>D. 880 = 45d + 70; 18 days.</em></h3>

Step-by-step explanation:

We are given fixed monthly charge = $70.

The cost of preschool per day = $45.

Number of days = d.

Total cost of d days = cost per day × number of days + fixed monthly charge.

Therefore, we get equation

880 = 45×d+70

<h3>880 = 45d +70.</h3>

Now, we need to solve the equation for d.

Subtracting 70 from both sides, we get

880-70 = 45d +70-70

810=45d

Dividing both sides by 45, we get

\frac{810}{45} =\frac{45d}{45}

18=d.

Therefore,<em> 18 days Barry attended preschool last month.</em>

<em>Therefore, correct option is D option.</em>

<h3><em>D. 880 = 45d + 70; 18 days.</em></h3>
4 0
3 years ago
In 15 and 16, use the expression 1 + z/3 + 2w
stiks02 [169]
Dang I’m dumb byeee use photo math it’s a app
7 0
3 years ago
-11= x-3/2....................................
Alika [10]

Answer:

Hi! The correct answer is x=-19/2

Step-by-step explanation:

<em><u>~Solve for x by simplifying both sides of the equation, then isolating the variable~</u></em>

4 0
3 years ago
How do i do this and tell me how u got the answer
EastWind [94]
Substitute.
2x+(2x -15) = -3

4x -15 = -3
Add 15 to both sides

4x = 12

Divide by 4

X=3

2(3) + y = -3

6+y=-3
-6 from both sides
Y=-9

(3,-9)
3 0
3 years ago
Penny reads 14 pages in 1/3 hour. What is the unit rate for pages per​ hour? For hours per​ page?
Ne4ueva [31]

Answer: your

Pages per hour: 42

Hours per page: 1/42 of a hour

Step-by-step explanation:

14 x 3 = 42

1 hour divided by 42 pages = 1/42 of an hour per page

5 0
3 years ago
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