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4 years ago

What number is 0.1 less than 21.8

Mathematics

2 answers:

Butoxors [25]4 years ago

6 0

Answer:

21.7

Step-by-step explanation:

21.8-0.1=21.7

s344n2d4d5 [400]4 years ago

5 0

Answer:

The answer is 21.7

Step-by-step explanation:

21.8 - 0.1 = 21.7

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What is the measure of pQs

Alex777 [14]

The measure of PQS is D) 49° because 35° + 14° = 49°.

6 0

3 years ago

Linn plans to wallpaper the 4 walls in her bedroom. The measurements are 9’ by 11’ by 8’. How many single rolls of wallpaper sho

Ann [662]

Answer: There are 4 rolls she should buy.

Step-by-step explanation:

Since we have given that

Length of wall = 9 feet

Width of wall = 11 feet

Height of wall = 8 feet

As we know the formula for "Area of four walls ":

$Area=2(l+b)h\\\\Area=2(9+11)\times 8\\\\Area=2\times 20\times 8\\\\Area=320\ ft^2$

Area of each single roll covers = 72 square feet

So, Number of single rolls of wallpaper is given by

$\frac{\text{ Area of 4 walls}}{\text{ Area of single roll}}\\\\=\frac{320}{72}\\\\=4.44\\\\=4$

Hence, there are 4 rolls she should buy.

6 0

4 years ago

Please help ASAP first to answer correctly gets brainlyist

Anna11 [10]

Median means middle. How you solve this is by first putting the numbers in order from least to greatest:

36 41 43 45 46 48 48 51 51 52

Now that it is in order in each "level" take away the smallest and largest number until you get to the middle

36 41 43 45 46 48 48 51 51 52

41 43 45 46 48 48 51 51

43 45 46 48 48 51

45 46 48 48

46 48

Now this is a bit tricky because there isn't one number to signify the exact middle. When you have two numbers left you must take the mean of those two numbers. This means that you add the two numbers left and then divide the answer by 2:

46 + 48 = 94

94 ÷ 2 = 47

Hope this helped!

5 0

3 years ago

How to find the area of a equilateral triangle that has a perimeter of 21?

Romashka-Z-Leto [24]

First, we have to find the length of each side of triangle. Equilateral triangle means 3 sides r in same length, so each side will be 21 ÷ 3 = 7
Now we need to calculate the height of the triangle. We can do this by Pythagoras theorem
Let the height be h
(7/2)^2 + x^2 = 7^2
The area should be 6.0621778265
Or u can say 6.06 corrected to 3 sig fig

8 0

4 years ago

In the diagram shown of circle A, tangent MB is drawn along with chords BAC and BF . Secant MFE intersects BAC at G. It is known

mote1985 [20]

Answer:

arc BF = 76°
∠M = 31°
∠BGE = 121°
∠MFB = 111°

Step-by-step explanation:

(a) ∠FBM is the complement of ∠FBC, so is ...

∠FBM = 90° -52° = 38°

The measure of arc BF is twice this angle, so is ...

arc BF = 2∠FBM = 2(38°)

arc BF = 76°

(b) ∠M is half the difference between the measures of arcs BE and BF, so is ...

∠M = (1/2)(138° -76°) = 62°/2

∠M = 31°

(c) arc FC is the supplement to arc BF, so has measure ...

arc FC = 180° -arc BF = 180° -76° = 104°

∠BGE is half the sum of arcs BE and FC, so is ...

∠BGE = (1/2)(arc BE +arc FC) = (138° +104°)/2

∠BGE = 121°

(d) ∠MFB is the remaining angle in ∆MFB, so has measure ...

∠MFB = 180° -∠M -∠FBM = 180° -31° -38°

∠MFB = 111°

3 0

4 years ago