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diamong [38]
3 years ago
6

Find the solution of y=x-3

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0

Answer:

x=3

Step-by-step explanation:

0 = x -3

-x = -3

change the sign to positive so x= 3

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I don’t think I’m doing the top correctly. Could you help 7-10?
natta225 [31]

7

a trapezoid

equation for area = h(a +b) ÷ 2

so you sub that in

8(9 +21) ÷ 2 = 8 × 30 ÷ 2 = 120

so the area is 120cm

8

A trapezoid

equation for area = h(a +b) ÷ 2

so you sub that in

6(9 + 5 ) ÷ 2 = 6 × 14 ÷ 2 = 42

So the answer is 42 inches

9

A kite

equation for area = p× q ÷ 2

so you sub that in

(3+3)×(4.5+6.5) ÷ 2 = 6×11÷2 = 3

So the answer is 33 cm

sorry I can't see 10s measurements

8 0
3 years ago
Suppose that the probability a seed will germinate is 85%. What is the probability that 7 of these seeds will germinate when 10
Viktor [21]
Total number of outcomes of 7 from 10 = 10*9*8 / 3*2*1  = 120
probability of each outcoe is 0.85^7* (0.15)^(3)  = 0.0010819

Required probability = 120 * 0.0010819 =  0.1298
6 0
3 years ago
Read 2 more answers
Evaluate the expression for<br> X= 5, y = 1:<br> X + 15<br> y + 1
lapo4ka [179]

Answer:

20

2

Step-by-step explanation:

lets substitute the value of x and y in the equations:

5 + 15 =20

1 + 1 =2

7 0
3 years ago
∆ABC is isosceles. If m∠B = 35° what is the measure of ∠C?
Damm [24]

Answer:

If ABC is isosceles, then <C is 35, and <A should be 110.

Step-by-step explanation:

4 0
3 years ago
Find the value of y for the following system of equations 5x + 3y = 10 x = y - 6
viktelen [127]

Answer:

x = -1 , y = 5

Step-by-step explanation:

Solve the following system:

{5 x + 3 y = 10 | (equation 1)

x = y - 6 | (equation 2)

Express the system in standard form:

{5 x + 3 y = 10 | (equation 1)

x - y = -6 | (equation 2)

Subtract 1/5 × (equation 1) from equation 2:

{5 x + 3 y = 10 | (equation 1)

0 x - (8 y)/5 = -8 | (equation 2)

Multiply equation 2 by -5/8:

{5 x + 3 y = 10 | (equation 1)

0 x+y = 5 | (equation 2)

Subtract 3 × (equation 2) from equation 1:

{5 x+0 y = -5 | (equation 1)

0 x+y = 5 | (equation 2)

Divide equation 1 by 5:

{x+0 y = -1 | (equation 1)

0 x+y = 5 | (equation 2)

Collect results:

Answer: {x = -1 , y = 5

5 0
3 years ago
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