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Ulleksa [173]
2 years ago
8

I need help answering this problem pls

Mathematics
2 answers:
ololo11 [35]2 years ago
8 0
Answer: C is 160 and B is 20

This is because they’re vertically perpendicular lines and we know that angles opposite each other equal the same. So the opposite B is 20 so b will also be 20 and to work out c you do 360-40= 320 and then you divide 320/2=
160

Hope this helps
EleoNora [17]2 years ago
4 0

Answer: b = 20 c = 160

Step-by-step explanation:

the value of a straight angle is 180, so 180-20= 160

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Lila collected the honey from 3 of her beehives. From the first hive she collected 2/3 gallon of honey. The last two hives yield
slamgirl [31]

Answer:

a). Lila collected 7/6 gallon in all.

b). She used for baking 5/12 gallon.

c) was left 1/3 gallon of honey

D) She used 3/8lb flour to make the brownies.

Step-by-step explanation:

a). Lila collected 7/6 gallon in all.

\frac{2}{3} +\frac{1}{4} +\frac{1}{4} \\

LCM=3*4=12

\frac{8+3+3}{12}=14/12=7/6

b). She used for baking 5/12 gallon.

She had 7/6 gallon of honey. She used 3/4 gallon for baking. To know how much honey was left, you have to substract 3/4 gallon from the total available honey 7/6 gallon.

\frac{7}{6}-\frac{3}{4}

You need to find LCM to substract fractions with different denominator:

LCM=12

\frac{14-9}{12}=\frac{5}{12}

c) was left 1/3 gallon of honey

To know how much honey was left you need to substract from the initial quantity of honey that is 3/4 gallon, the quantities used for baking, that are 1/6 gallon and 1/4 gallon.

Less common multiple: 12

\frac{3}{4}-\frac{1}{6} -\frac{1}{4}

We use LCM 12 to substract:

\frac{9-2-3}{12}=\frac{4}{12} =\frac{1}{3}

D) She used 3/8lb flour to make the brownies.

You know she used 1/2 lb flour to make the bread and to make cookies 1/8 more. So you need to do following math:

d)\frac{1}{2} +\frac{1}{8} =\frac{4+1}{8} =\frac{5}{8}

She used 5/8 to make cookies and she used 1/4 more to make cookies than brownies, then you have to do following math;

\frac{5}{8}-\frac{1}{4}=\frac{5-2}{8}=\frac{3}{8}

5 0
3 years ago
What is the sum of 347+645=
iren [92.7K]

Answer:

347 + 645 = 992

Step-by-step explanation:

 347

<u>+645</u>

 922

7 0
3 years ago
Use systems of linear equations solve x+2y=4<br><br> Must include;<br> Step to solve problem
Anarel [89]

Answer:  y=2-2x

Step-by-step explanation:

6 0
3 years ago
Question 16 (1 point) An object is thrown from the top of a building. The following data measure the height of the object from t
Archy [21]

Using a calculator, inserting the values of x and y, the correlation coefficient for the given data-set is of -0.9422.

<h3>How to find the correlation coefficient of a data-set?</h3>

Using a calculator, the correlation coefficient is found inserting the ordered pairs (x,y) in the calculator.

In this problem, we have that:

  • The values of x are: 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5.
  • The values of y are: 112.5, 110.875, 106.8, 100.275, 91.3, 79.875, 70.083, 59.83, 30.65, 0.

Hence, using a calculator, the correlation coefficient is of -0.9422.

More can be learned about correlation coefficients at brainly.com/question/25815006

#SPJ1

8 0
2 years ago
Suppose the salaries of six employees are $3000,
yaroslaw [1]

Answer: 17500

Step-by-step explanation: 7000 + 15000 + 22000 + 23000 +38000/ 6

6 0
4 years ago
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