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Novay_Z [31]
1 year ago
6

Solve the equation.

Mathematics
1 answer:
Gelneren [198K]1 year ago
5 0

Answer:

x=-5/4 or x=9/4

Step-by-step explanation:

2 - 4x = -7

-4x = -7 - 2

-4x = -9

x = 9/4

or

2 - 4x = 7

-4x = 7-2

-4x = 5

x = -5/4

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4. Determine all unknown sides and angles to 1 decimal place.
Ksju [112]

Answer:

The unknown sides are 60.81cm and 51.57cm while the unknown angle is 58degrees

Step-by-step explanation:

4a) Given the following

Opposite side = 38cm (side facing the given angle)

Required

Adjacent and hypotenuse side

According to SOH CAH TOA

tan \theta = \frac{opp}{hyp}\\tan 32=\frac{38}{hyp}\\hyp=\frac{38}{tan 32}\\hyp=\frac{38}{0.6249}\\hyp=  60.81cm

Next is to get the adjacent

Cos 32=\frac{adj}{60.81}\\adj=60.81cos32\\adj=60.81(0.8480)\\adj= 51.57cm

Next is to get the missing

Since sum of angle in the triangle is 180degrees

32 + 90 + x = 180

122 + x = 180

x = 180 - 122

x = 58degrees

7 0
3 years ago
What is bigger 70% of 200 or 1/4 of 160?
Hoochie [10]
70% of 200 is the answer

3 0
3 years ago
Read 2 more answers
Solve for y in the given equation 2y - 24 = 14y <br> Answer are <br><br> 8y <br> -8y<br> -2 <br> 2
ArbitrLikvidat [17]

Answer:

y = -2

Step-by-step explanation:

First, we subtract 2y on both sides:

-24 = 12y

Then, we divide 12 on both sides:

y = -2

And we're done ^^ hope this helps!

6 0
3 years ago
Find the mesurement of the angle?
nevsk [136]

Answer:

100

Step-by-step explanation:

if both sides are the same then you can mirror the angles only if there equal

5 0
3 years ago
Read 2 more answers
Y=3/2x+2 <br> 5x-y=5<br> At what point do they meet?
RSB [31]
(2,5) ...........................................................................................
7 0
3 years ago
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