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2 years ago

What is the value of B?

Mathematics

1 answer:

DedPeter [7]2 years ago

4 0

Answer:

61°

Step-by-step explanation:

B = 180°-58°-61°

= 61°

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Brown bats sleep for 20 hours each day. How many hours per week are they awake? How many hours per year are they awake

icang [17]

(20)(7) = 140 hours per week
(20)(365) = 7300 hours per year

7 0

3 years ago

Diane reed had office supply sales of $3,285 this month. this is a 78% of last months supply sales. what was the amount of last

Hoochie [10]

To solve this problem, we can set up an equation, letting the unknown value of last month's supply sales be represented by the variable x.

First, we must convert 78% to its decimal equivalent, by dividing 78/100. This is because percentages are parts of a whole 100 percent.

78/100 = 0.78

Now, we are ready to set up our equation, using our knowledge that the word "of" refers to multiplication in mathematics.

3,285 = 0.78x

To solve our equation, we must divide both sides of the equation by 0.78 to get the variable x alone on the right side of the equation.

x = 4211.53846154

This means that last month's supply sales were about $4,211.54 (we round the last digit up because 8 is greater than 5).

Hope this helps!

8 0

3 years ago

At the start of a party, a drink dispenser contains 9 1.2 quarts of iced tea. After the party only 7 cups of tea remain. How man

xxMikexx [17]

Answer: 31 cups

Step-by-step explanation:

We should note that 1 quarts = 4 cups

Therefore, 9 1/2 quarts = 9 1/2 × 4 = 19/2 × 4 = 38 cups

Since only 7 cups of tea remained.after the party, the number of cups of iced tea that the people drank during the party will be:

= 38 - 7

= 31 cups of iced tea

4 0

2 years ago

A rectangular pasture that measures 250 meters by 300 meters is completely fenced around its borders. What is the approximate le

oksano4ka [1.4K]

Answer: 1100 meters

Step-by-step explanation:

Set Up Equation

p = 2L + w2W

Plug In Values

p = 2(250) + 2(300)

Solve

p = 500 + 600 = 1100

Final Answer

p = 1100 meters

4 0

2 years ago

Write the standard form of the equation of the line through the pair of points (3,5) and (1,5).

asambeis [7]

Answer:

y = 5

Step-by-step explanation:

The standard form of a linear equation is Ax + By=C

But let's start with the slope-intercept form: y = mx+b, where m is the slope and b the y-intercept (the value of y when x=0).

M, the slope, may be calculated by using the Rise/Run between the two given points: (1,5) and (3,5):

Rise = (5-5) = 0 [Note that the value of y does not change when x = 1 or 3.]

Run is = (3-1)=2

Rise/Run (slope, m) is (0/2) or 0. [y does not change as a function of x. It is a flat, horizontal line]

The equation becomes y = (2/3)x + b

We need to find a value of b, the y-intercept, that forces the line to go through both points. This can be done by entering one of the points into the equation and solving for b:

y = (0)x + b

I'll use (1,5)

5 = (0)*(1) + b

b = 5

The equation becomes y = (0)x + 5 or y = 5

Standard form of the equation is Ax + By = C

A is 0, B is 1 and C is 5

y = 5

4 0

1 year ago