4 years ago

Need help 1-4 I'll appreciate it

1 answer:

6 0

For Q1 add 135 and 45 together. If it comes out to be 180 which it does the angles are supplementary. In Q2 add 23 and 67 together and if it comes out to 90 it is complementary, but if it doesn't it is neither. In Q3 take 3x+45=180 subtract 45 on both sides so you get 3x=135 then divide by 3 to get X. Your answer should be 45. For Q4 look that exact question up and find a good answer for it. Hope this could help

You might be interested in

Find the median of the list 12,18,21,25,30,43

BlackZzzverrR [31]

The median is 21 and 23

4 0

4 years ago

Read 2 more answers

(a) Find the common difference of an A.P. whose first term is 5 and the number of terms is 30 and sum 1455.

Alexxandr [17]

Sum = n/2[2a + (n - 1)d] where a = first term, n = number of terms and d = common difference

(a) 30/2(2 x 5 + (30 - 1) x d) = 1455
10 + 29d = 1455 / 15
29d = 97 - 10
d = 87 / 29 = 3

(b) 7/2(2 x 9 + (7 - 1)d) = 0
18 + 6d = 0
6d = -18
d = -3

4 0

3 years ago

Which one is it I need to know quick and I’ll mark you Brainly

QveST [7]

Answer: i think

the corrcect answer is 0.5*10^-1

Step-by-step explanation:

hope this helps

5 0

3 years ago

Plz plz plz plz plz plz plz plz plz plz plz pm help me plzplzplzpl

NemiM [27]

Answer:

what is the question asked?

Step-by-step explanation:

5 0

3 years ago

Which point is a solution of x^2 + y^2 > 49 and y ≤ –x^2 – 4 ?

Inga [223]

Answer:

C. 1, -9

Step-by-step explanation:

I just put it on desmos

3 0

3 years ago