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Irina-Kira [14]
3 years ago
7

I’m just confused help!

Mathematics
1 answer:
rusak2 [61]3 years ago
4 0

Answer:

Step-by-step explanation:

180

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If A = (4,-5) and B = (7.-9), what is the length of AB?​
Nookie1986 [14]

Answer:

5

Step-by-step explanation:

We can figure out the length of AB by using the distance formula.

D = \sqrt{(7-4)^{2} + (-9-(-5))^{2} }\\ D = \sqrt{(3)^{2} + (-4)^{2} }\\D = \sqrt{9 + 16}\\D = \sqrt{25}\\D=5

So the distance is 5

5 0
3 years ago
Solve the following equation for b. 1/2HB=d2
geniusboy [140]

Steps to solve:

1/2hb = d²

~Divide 1/2h to both sides

b = 2d²/h

Best of Luck!

6 0
3 years ago
2. The sum of the measures of two angles is 180°. The difference between the
Solnce55 [7]
Wouldn’t it be 110???
8 0
3 years ago
State the place value of:. (i) 8 in 287​
olchik [2.2K]

Answer:

80

Step-by-step explanation:

because 8 is in tens place

so it´s value is 8*10=80

3 0
3 years ago
30 tens = ones<br> 30 tens = hundreds
tresset_1 [31]
30 tens=ones is not right so it should be 30 tens=hundreds
3 0
3 years ago
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