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joja [24]
3 years ago
14

PLEASE HELP ASAP

Mathematics
2 answers:
borishaifa [10]3 years ago
8 0
1.) True
2.) a car traveling at the same speed next to you
3.) not sure but maybe second
4.) a flying bird
jarptica [38.1K]3 years ago
5 0

1. true

2. a billboard on the side of the road

3. meter

4. a person sitting next to you

(p.s. just took this test, got a 100%)

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Solve for d.<br> 19d -16d-d-d-1 = 12
Reika [66]

Answer:

d = 13

Step-by-step explanation:

19d - 16d - d - d - 1 = 12

19d + (-16 - 1d - 1d) - 1 = 12

19d + (--18d) - 1 = 12

19d - 18d - 1 = 12

1d = 12 + 1

d = 13

Check:

19*13 - 16*13 - 13 - 13 - 1 = 12

247 - 208 - 26 - 1 = 12

39 - 27 = 12

7 0
10 months ago
Given the diagram below find x, and the measure of
Sophie [7]

Answer:

8, 40 , 50

Step-by-step explanation:

the measure of A is 90°

so 5x + 7x - 6 = 90

now.. to find the x

5x + 7x - 6 = 90

5x + 7x = 90 + 6

12x = 96

x = 96/12

x = 8

so the measure of angle A1 is (5*8) = 40

the measure of angle A2 is (7*8-6) = 50

finaly the angle A is (50+40) = 90

8 0
3 years ago
ABCD is a parallelogram. If ad = 2x + 10 and CD = 4x - 20, for what value of x will abcd be a rhombus
dimaraw [331]

Answer:

15

Step-by-step explanation:

All sides of a rhombus are equal, so

2x+10=4x-20 \\ \\ 10=2x-20 \\ \\ 2x=30 \\ \\ x=15

3 0
9 months ago
What is the solution to the equation below? Round your answer to two decimal places.
vodka [1.7K]

Answer:

x = 0.5

Step-by-step explanation:

2(2x-1)=3

2(2x)+1=3

        -1  -1

2(2x)=2        2x2=4

4x=2

4÷4 Cancels out the 4 in X

2÷4=0.5

Therefore

x = 0.5

4 0
3 years ago
X^2+y^2x+4y-20=0<br>standard form
Yuki888 [10]
Complete the square by adding the square of half of four to both sides (4)
x^2+y^2-4y+4=4
x^2+(y-2)^2=4

7 0
3 years ago
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