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andriy [413]
2 years ago
7

Austin correctly answered 80% of the questions on the geography quiz. Liz answered 42 of the 50 questions correctly. compare the

ir scores
Mathematics
1 answer:
frez [133]2 years ago
5 0

Answer:

Liz got a higher score than Austin.

Step-by-step explanation:

Since 42 divided by 50 is 82, as a percentage is then 82%. Austin has a 80% which most likely means, if on the same quiz, that he got a 40 out of 50.

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The steps for adding mixed numbers with unlike denominators are very ____________
raketka [301]

Answer:

imma need my points back

Step-by-step explanation:

5 0
2 years ago
Tell whether the two quantities vary directly. Explain your reasoning. The cafeteria provides three meals per day.
Dafna11 [192]

Answer:

The cafeteria provides three meals per day.

<u>Reason 1</u>

Yes, they vary directly  

As number of days increases ,Total number of meals i.e

1st day ⇒ 3

2nd day⇒6

3 rd day⇒9

4th day⇒12

......................

.........................

increases.

Total number of Meals = k×Number of days

But there is another possibility also

<u>Reason 2</u>

1 st day ⇒ 3

2nd day ⇒3

3rd day⇒ 3

.....................

.....................

As you can see from the above expression On each day number of meals is  

constant.

So we can say that ,

On each Day=Constant amount of meal=3

So, there is no Proportionality between Days and Meal.




3 0
3 years ago
5d-4=4-d<br> solve the equation
horrorfan [7]

Answer:   d = 0


Step-by-step explanation:

5d - 4 = 4 - d

+d             +d

____________

6d - 4 = 4

      -4   -4

__________

6d = 0

__   __

6      6

d = 0

3 0
3 years ago
Read 2 more answers
Give the value of the expression from (a) when x=10<br> (i just need the answer for B)
Masteriza [31]

Answer:

257

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

2x² + 5x + 7

x = 10

<u>Step 2: Evaluate</u>

  1. Substitute:                    2(10)² + 5(10) + 7
  2. Exponents:                   2(100) + 5(10) + 7
  3. Multiply:                        200 + 50 + 7
  4. Add:                              250 + 7
  5. Add:                              257
5 0
2 years ago
Which statements are true about the triangle? Select all that apply.
Bogdan [553]

Answer:

The triangle is obtuse.

It is an isosceles triangle.

The angles add up to 180°.

Step-by-step explanation:

Obtuse triangles are defined as triangles with one angle obtuse angle over 90°. This triangle has an angle of 100°, so it is an obtuse triangle!

Isosceles triangles have 2 equal sides. The two orange dashes on the left and right legs of the triangle tell us they are equivalent, so this is an isosceles triangle as well!

Finally, <em>all </em>triangles add up to 180°! We can prove this by adding the angles.

40° + 40° = 80°

100° + 80° = 180°

7 0
3 years ago
Read 2 more answers
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