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lianna [129]
3 years ago
5

4x-3(x + 5) > 7-4(x + 6)

Mathematics
1 answer:
I am Lyosha [343]3 years ago
7 0
4x - 3(x + 5) > 7 - 4(x + 6)  |use distributive property; a(b + c) = ab + ac

4x - 3x - 15 > 7 - 4x - 24  |combine items

x - 15 > -4x - 17    |add 15 to both sides

x > -4x - 2    |add 4x to both sides

5x > -2    |divide both sides by 5

x > - 2/5
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Find the length of AC round to the nearest hundred
Nataly [62]

Answer:

Option B. 9.11

Step-by-step explanation:

To find the length of line AB, we must first of all calculate the value of θ as shown in the attached photo.

The value of θ can be obtained as follow:

θ + 39° + 120° = 180° (sum of angles in a triangle)

θ + 159° = 180°

Collect like terms

θ = 180° – 159°

θ = 21°

Thus, we can obtain the length of line AB by using sine rule as illustrated below:

b/Sine B = c/Sine C

b = 16

Angle B = 39°

Sine C = 21°

c =?

b/Sine B = c/Sine C

16/Sine 39° = c/Sine 21°

Cross multiply

c × Sine 39° = 16 × Sine 21°

Divide both side by Sine 39°

c = (16 × Sine 21°) / Sine 39°

c = 9.11

Therefore, the length of line AB is 9.11

7 0
3 years ago
Pls answer ASAP I will give brainliest answer.
quester [9]
The answer would be 9.45
4 0
3 years ago
Read 2 more answers
Help I need answers I don't know what to do I'm dumb it's due today
Alinara [238K]
1.<AFC
2.<AFD
3.<AFE
4.<AFB

#5, 6 and 7

m<BAE = 59

m<BAC  +  m<CAD + m<DAE = m<BAE
4x - 20 + x + 12 + x + 1 = 59
6x - 7 = 59
6x = 59 + 7
6x = 66
x = 11

m<BAC = 4x - 20 = 4(11) - 20 = 24
m<CAD = x + 12 = 11 + 12 = 23
m<BAE = x + 1 = 11 + 1 = 12

answer
5.
m<BAC = 24
6.
m<CAD = 23
7.
m<BAE = 12

#8, 9 and 10

m<BAE = 130

m<BAC + m<CAD + m<DAE = m<BAE
3x - 10 + 2x + 5 + x + 15 = 130
6x + 10 = 130
6x = 120
x = 20

m<BAC = 3x - 10 = 3(20) - 10 = 60 -10 = 50
m<CAD = 2x + 5 = 2(20) + 5 = 40 + 5 = 45
m<DAE = x + 5 = 20 + 15 = 35

answer

8.
m<BAC  = 50
9.
m<CAD  = 45
10.
m<DAE = 35 

4 0
3 years ago
Simplify the expression.<br> 4(-8x + 5) – (-33x – 26) = ______
ziro4ka [17]

Answer:

14+33x

Step-by-step explanation:

you have to break it up

4x(-3)+33x+26 MILTIPLY

-12+33x+26 CALCULATE

Solution is 14+33x

I HOPE THIS HELPS YOU

7 0
2 years ago
If the line passing through the points (a, 1) and (−2, 6) is parallel to the line passing through the points (−12, 9) and (a + 2
iren2701 [21]

\frac{6 - 1}{ - 2 - a}  =  \frac{9 - 1}{ - 12 - a - 2}  \\  \frac{5}{ - 2 - a}  =  \frac{8}{ - 14 - a}  \\ 16 + 8a = 70 + 5a \\ 3a = 54 >  > a = 18
8 0
3 years ago
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