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Ksenya-84 [330]
3 years ago
6

Can someone help quickly the class is almost over

Mathematics
1 answer:
Lostsunrise [7]3 years ago
6 0
M<ADC = 112, m<BDC = 12x-3, m<ADB = 6x+7
m<BDC = ?

m<BDC = m<ADC - m<ADB
12x - 3 = 112 -(6x+7)
12x - 3 = 112 -6x - 7
12x + 6x = 105 + 3
18x = 108
x = 108/18
x = 6

m<BDC = 12x-3
m<BDC = 12(6) - 3
m<BDC = 72 - 3
m<BDC = 69

answer m<BDC = 69


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Greenfield village is spread across 240 acres of land. Only 37% of the land is used for the exhibits, while the rest of the land
Sergeeva-Olga [200]

Answer:

The land which are used for exhibits are <u>89 acres</u> (approximately).

Step-by-step explanation:

Given:

Village is spread across 240 acres of land. 37%  of land is used for the exhibits.

Now, we have to find acres of land which are used for exhibits.

So, here it is given that land used for exhibits is 37%, and we have to calculate the quantity from the percentage given:

According to question:

37% of 240 acres of land.

\frac{37}{100}\times 240

0.37\times 240

88.80

So, the land used for exhibits are 88.80 acres.

Therefore, the land which are used for exhibits are <u>89 acres </u>(approximately).

5 0
4 years ago
How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest!
larisa [96]

\huge \bf༆ Answer ༄

Let's solve this using unitary method ~

  • \sf3 \: seconds = 63 \:  meters

  • \sf1\: second= 63 \div 3 \:  meters

  • \sf1\: second= 21 \:  meters

  • \sf5\: seconds= 21 \times 5 \:  meters

  • \sf5\: seconds= 105 \:  meters

Therefore , the ostrich will run 105 meters in 5 seconds.

5 0
3 years ago
If triangle ABC is reflected across line m, the new coordinates will be located at A’(2, -4) B’(7, -7) C’(-2, -7).
Dennis_Churaev [7]

Answer:

the answer is false

Step-by-step explanation:

because the coordinates for B and Care wrong they should be

B(7,-9)

C(-2,-9)

3 0
3 years ago
Which statements are true about the ordered pair (7, 19) and the system of equations?
likoan [24]

Answer:

(7,19) is a solution for only the first equation (2x-y= -5), so it is not a solution to the systemmmm

Step-by-step explanation:

have a nice dayyy

8 0
3 years ago
What is the value of x?<br> HELP! Please
Anastaziya [24]
D. 68
I don’t remember what formula this is called but the formula says that all angles in a triangle should add up to 180, so 75+37= 112, 180-112= 68
8 0
3 years ago
Read 2 more answers
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