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zvonat [6]
3 years ago
9

Help will give brainliest

Mathematics
1 answer:
tangare [24]3 years ago
6 0
Angles on a straight line add up to 180 degrees.
180-100 = 80
x + 3x = 4x
80/4 = 20
x = 20 degrees
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Heather has her own bakery. She makes 4 pans of muffins each day. If her bakery is open 7 days a week, how many pans of muffins
OlgaM077 [116]

Answer:

28 pans of muffins per week

Step-by-step explanation:

To solve the above question, we know that:

1 day = 4 pans of muffins

7 days = x pans of muffins

Cross Multiply

1 day × x pans of muffins = 7 days × 4 pans of muffins

x = 28 pans of muffins

Since, 7 days = 1 week

Heather makes 28 pans of muffins per week

3 0
3 years ago
Rewrite the expression below.<br><br> -2a( a + b - 5)+ 3 (-5a + 2b) +b (6a + b - 8)
Paul [167]

Answer:

b^2 + 4 a b - 2 b - 2 a^2 + -5 a

Step-by-step explanation:

Simplify the following:

-2 a (a + b - 5) + 3 (2 b - 5 a) + b (6 a + b - 8)

-2 a (-5 + a + b) = 10 a - 2 a^2 - 2 a b:

10 a - 2 a^2 - 2 a b + 3 (2 b - 5 a) + b (6 a + b - 8)

3 (2 b - 5 a) = 6 b - 15 a:

10 a - 2 a^2 - 2 a b + 6 b - 15 a + b (6 a + b - 8)

b (-8 + 6 a + b) = -8 b + 6 a b + b^2:

10 a - 2 a^2 - 2 a b - 15 a + 6 b + -8 b + 6 a b + b^2

Grouping like terms, 10 a - 2 a^2 - 2 a b - 15 a + 6 b - 8 b + 6 a b + b^2 = b^2 + (6 a b - 2 a b) + (6 b - 8 b) - 2 a^2 + (10 a - 15 a):

b^2 + (6 a b - 2 a b) + (6 b - 8 b) - 2 a^2 + (10 a - 15 a)

a b 6 + a b (-2) = 4 a b:

b^2 + 4 a b + (6 b - 8 b) - 2 a^2 + (10 a - 15 a)

6 b - 8 b = -2 b:

b^2 + 4 a b + -2 b - 2 a^2 + (10 a - 15 a)

10 a - 15 a = -5 a:

Answer:  b^2 + 4 a b - 2 b - 2 a^2 + -5 a

8 0
3 years ago
HELPPPPPPP :)))))))))
vodka [1.7K]

Answer:

624ft

Step-by-step explanation:

Surface Area of a Triangular Prism (A) = b*(h + l) + 2*l*s

4 0
3 years ago
Read 2 more answers
bills normal temperature is 98.6 today ballistic and has a temperature of 104.3 how many degrees above his normal temperature is
kkurt [141]

Answer:

Today's temperature is 5.7 degrees above Bill's normal temperature.

Step-by-step explanation:

Given

Represent the normal temperature with N and today's temperature with T.

Such that:

N = 98.6

T = 104.3

Required

Determine the temperature above the normal temperature

The interpretation of this is to calculate the difference between Bill's normal temperature and Bill's today temperature.

Represent the difference with D

D is calculated as follows:

D = T - N

Substitute values for T and N

D = 104.3 - 98.6

D = 5.7

Hence, today's temperature is 5.7 degrees above Bill's normal temperature.

4 0
3 years ago
A set of data with a mean of 62 and a standard deviation of 5.7 is normally distributed. Find the value that is -1 standard devi
chubhunter [2.5K]
To answer this question, you must know what the standard deviation is.
 The standard deviation is an index that measures the dispersion of a data set, while the largest is the standard deviation most dispersed  are the data with respect to the mean value.
 For a normal distribution, it is known that 68% of the data is not more than one standard desviation of the mean.
 In this case, when they talk about -1 standard deviation of the mean.
 Is:
 average - 1 standard deviation
 So
 62 - 5.7 = 56.3
 Therefore, the value sought is 56.3
4 0
4 years ago
Read 2 more answers
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