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Sedaia [141]
3 years ago
12

Tammys desk had 7/12 grams of dust on it she wiped away 5/12 grams of the dust how many grams of dust are left on her desk write

your answer as a fraction in simplest form
Mathematics
1 answer:
nexus9112 [7]3 years ago
7 0

Answer:

2/12

Step-by-step explanation:

7/12 -5/12 = 2/12

the number 2 can go into 2 once and 12 six times so you should get 1/6 as your answer

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The interior angles formed by the sides of a pentagon have measures that sum to 540°. What is the measure of angle B?
patriot [66]

Answer:

m∠B = 110°

Step-by-step explanation:

We know that,

The sum of the measures of the angles in a pentagon is 540°.

So, we get,

130 + (x-5) + (x+30) + 75 + (x-35) = 540

i.e. 3x + (130+30+75) - (5+35) = 540

i.e. 3x + 235 - 40 = 540

i.e. 3x + 195 = 540

i.e. 3x = 540 - 195

i.e. 3x = 345

i.e. x= 115°

Now, as m∠B = (x-5)° = (115-5)° = 110°

Hence, the measure of angle B is 110°.

4 0
3 years ago
Read 2 more answers
Simplify the expression 8x + 4(x -1)
s344n2d4d5 [400]
8x+4x-4

12x-4 is the answer
6 0
3 years ago
Harper goes to a store an buys an item that costs x dollars. She has a coupon for 30% off, and then a 6% tax is added to the dis
iragen [17]
Not enough information- the coupon will only be worth 24% after tax though.
5 0
2 years ago
Read 2 more answers
HELP!!! BRAINLIEST ANSWER!!!!
vfiekz [6]

Answer:

x = 26, y = 9

Step-by-step explanation:

Add the bottom equations and set them equal to 180

8x -28 = 180

8x = 208 divide each by 8

x = 26

Find the bottom right, 3(26) - 11

78 - 11 = 67

The unlabeled top left box is also equal to 67 degrees.

So 2y + 5 = 23

2y = 18

y = 9

7 0
3 years ago
Read 2 more answers
Harry rode 2 1/2 miles on his bike yesterday. He rode 1 3/4 miles on his bike today. If he plans to ride 6 miles this week on hi
aksik [14]

Answer:

1 3/4 miles

Step-by-step explanation:

2 1/2+ 1 3/4= 4 1/4

6-4 1/4= 1 3/4

3 0
3 years ago
Read 2 more answers
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