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irina [24]
3 years ago
5

–24 + 12d = 2(d – 3) + 22 what is d

Mathematics
2 answers:
Tasya [4]3 years ago
5 0

Answer: d = 4

Step-by-step explanation: juss Simplify both sides of the equation.Subtract 2d from both sides

Add 24 to both sides. And then Divide both sides by 10.

IRISSAK [1]3 years ago
3 0

Answer:

d=4

Step-by-step explanation:

 (12d - 24) -  (2 • (d - 3) +  22)  = 0

  10d - 40  =   10 • (d - 4)

 10 • (d - 4)  = 0

Solve :    10   =  0

Solve  :    d-4 = 0

Add  4  to both sides of the equation :d = 4

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I’m kinda confused. Can someone help.
horsena [70]

Answer:

PQ = PM\cos MPQ + MQ\cos MQP=2PM\cos MQP

Step-by-step explanation:

given MQR = 60, PQR = 75

MQP = 75 -60= 15QR = ((18(1+\cos 30))^{2}-(2\cos 15)^{2})^{\frac{1}{2}}

WE KNOW THAT MQR +QRM +QMR = 180

MPQ = MQP AS ANGLE OPPOSITE TO EQUAL SIDES ARE EQUAL

THEREFORE QMR = 90 - 60 = 30

therefore PQM = 75 - 60 = 15

PM = PQ because M is the mid point

therefore PR = PM + MQ\cos QMR

                PR = 18(1+\cos 30)

QR = (PR^{2}-PQ^{2}))^{\frac{1}{2}}

PQ = PM\cos MPQ + MQ\cos MQP=2PM\cos MQP

5 0
3 years ago
A student takes English and American History this semester. The probability that a student passes English is 0.5. The probabilit
mash [69]

Answer:

50% chance of passing english

40% chance of passing American History

30% chance of passing both classes

Step-by-step explanation:

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=7%5Csqrt%7B3%7D%20%2B%5Csqrt%7B63" id="TexFormula1" title="7\sqrt{3} +\sqrt{63" alt="7\sqrt{3}
mezya [45]

Answer:7√3 + 3√7

Step-by-step explanation:

7√3 + √63

=> 7√3 + √(7×9)

=> 7√3 + (√7 × √9)

=> 7√3 + 3√7

8 0
3 years ago
Complete the compass rose below with the correct bearings, please help ASAP
poizon [28]
N= 00
NNE= 022.5
NE= 045
ENE= 067.5
E= 090
ESE=112.5
SE= 135
SSE= 157.5
S=180
SSW= 202.5
SW= 225
WSW= 247.5
W=270
WNW= 292.5
NW= 315
NNW= 337.5

Hope i helped!
4 0
3 years ago
What is 9 simplified​
grin007 [14]

Answer:

9 on its own can not be simplified. It needs to be a fraction.

7 0
3 years ago
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