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zhuklara [117]
3 years ago
13

I need to know how to solve this problem because I’m very confused and it doesn’t explain what it is or how to do it in my textb

ook

Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0

Answer:

x1 = -4; x2 = 10

Step-by-step explanation:

1) Expand the module as two separate equations:

x - 3 = 7

x - 3 = -7

2) Solve the equations:

x = 10

x = -4

=> x1 = -4; x2 = 10

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60 in the ratio of 5:7
dusya [7]
5+7 = 12
60/12 = 5

5 x 5 = 25
5 x 7 = 35

<span>60 in the ratio of 5:7 = 25:35
hope it helps</span>
4 0
3 years ago
Read 2 more answers
Given: △ABC, m∠A=60° m∠C=45°, AB=8 Find: Perimeter of △ABC, Area of △ABC
jarptica [38.1K]

We are given

△ABC, m∠A=60° m∠C=45°, AB=8

Firstly, we will find all angles and sides

Calculation of angle B:

we know that sum of all angles is 180

m∠A+ m∠B+m∠C=180

we can plug values

60°+ m∠B+45°=180

m∠B=75°

Calculation of BC:

we can use law of sines

\frac{AB}{sin(C)}=\frac{BC}{sin(A)}

now, we can plug values

\frac{8}{sin(45)}=\frac{BC}{sin(60)}

BC=\frac{8}{sin(45)} \times sin(60)

BC=9.798

Calculation of AC:

\frac{AB}{sin(C)}=\frac{AC}{sin(B)}

now, we can plug values

\frac{8}{sin(45)}=\frac{AC}{sin(75)}

AC=\frac{8}{sin(45)} \times sin(75)

AC=10.928

Perimeter:

p=AB+BC+AC

we can plug values

p=10.928+8+9.798

p=28.726

Area:

we can use formula

A=\frac{1}{2}AB \times AC \times sin(A)

now, we can plug values

A=\frac{1}{2}8 \times 10.928 \times sin(60)

A=37.85570...............Answer

6 0
3 years ago
Read 2 more answers
Is y=4x+3 a one step or a two step problem
Hunter-Best [27]

Answer:

y=4x-3

then add 3 to each side to get: y+3=4x.

Next, just divide both sides by 4 to get x = (y+3)\div4.

3 0
2 years ago
Read 2 more answers
HELP NOW PLEASE I GOTYA PASS
Ulleksa [173]
Following transformations on Triangle ABC will result in the Triangle A'B'C'

a) Reflection the triangle across x-axis
b) Shift towards Right by 2 units
c) Shift upwards by 6 units

In Triangle ABC, the coordinates of the vertices are:
A (1,9)
B (3, 12)
C (4, 4)

In Triangle A'B'C, the coordinates of the vertices are:
A' (3, -3)
B' (5, -6)
C' (6, 2)

First consider point A of Triangle ABC.
Coordinate of A are (1, 9). If we reflect it across x-axis the coordinate of new point will be (1, -9). Moving it 2 units to right will result in the point (3, -9). Moving it 6 units up will result in the point (3,-3) which are the coordinates of point A'. 

Coordinates of B are (3,12). Reflecting it across x-axis, we get the new point (3, -12). Moving 2 units towards right, the point is translated to (5, -12). Moving 6 units up we get the point (5, -6), which are the coordinate of B'. 

The same way C is translated to C'.

Thus the set of transformations applied on ABC to get A'B'C' are:
a) Reflection the triangle across x-axis
b) Shift towards Right by 2 units
c) Shift upwards by 6 units
5 0
3 years ago
I need help finding the value of the variables in each figure and explaining my reasoning. ​
geniusboy [140]

Answer:

x=14 and  y=37

Step-by-step explanation:

9x+12+3x=180

12x=168

x= 14

4y-10+42=180

4y=148

y=37

MARK BRAINLIEST PLEASE

3 0
2 years ago
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