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Norma-Jean [14]

3 years ago

13

The next math test will contain 50 questions. Some will be worth three points while the rest will be worth six points. If the te

st is worth 195 points, how many questions are worth three-points and how many worth six-points?

1 answer:

Llana [10]3 years ago

5 0

Explanation is in the file

tinyurl.com/wpazsebu

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Mariana [72]

Answer:

x = 6

Step-by-step explanation:

∠ DBC + ∠ ABC = ∠ ABD , substitute values

5x - 4 + 8x - 3 = 79

13x + 1 = 79 ( subtract 1 from both sides )

13x = 78 ( divide both sides by 13 )

x = 6

8 0

3 years ago

the coordinates of one point of a line segment are (-2,-7). The line segment is 12 units long. Give three possible coordinates o

valentinak56 [21]

(-2,-19) , (-2, 5), ( 2,10)

4 0

3 years ago

Bob is standing 25 feet from a lamppost that is to his left and 30 feet from a lamppost that is to his right. The distance betwe

irina1246 [14]

Answer:

The answer is 41

Step-by-step explanation:

400 = 900 + 625 - 1500 cos x

400 - 1525 = -1500 cos x

-1125 = -1500 cos

cos x = -1125/-1500

x = cos⁻¹ 0.75

x = 41.409622109

x ≈ 41°

3 0

3 years ago

Help me !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

ElenaW [278]

So 20% is 1/5 as a percent.

So 1/5 multiplied by 5 equals 5/5, or 1.

So if 1/5 = 6, then 6 multiplied by 5, or 30, must equal 5/5, or 1.

So the total number of dolls in Amyia's doll collection is 30.

7 0

3 years ago

Solve for x.<br> 9/x = -6

yan [13]

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>⤴</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

5 0

3 years ago

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