1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Pachacha [2.7K]
3 years ago
5

Please help me by the way this is a 2 mark question from mathswatch​

Mathematics
1 answer:
BigorU [14]3 years ago
3 0

Answer:

y = - 13, y = 13

Step-by-step explanation:

Given

y² = 169 ( take the square root of both sides )

y = ± \sqrt{169} = ± 13

Since 13 × 13 = 169 and - 13 × - 13 = 169

You might be interested in
A radiator contains 10 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure anti
likoan [24]
V30% mixture + v100% mixture = v60% mixture

0.3(10-x) + x = 0.6(10)
3 - 0.3x + x = 6
0.7x = 6 - 3
0.7x = 3
x = 3/0.7
x = 4.286 quarts 

6 0
4 years ago
Read 2 more answers
A local store sells boxes of pens. The cost of a box of pens and the number of pens in the box are related. You need 39 pens. Id
aksik [14]

Answer:

The cost of each pen

4 0
3 years ago
What are the next two terms in the pattern 3,6,5,10,9,18,17
Sunny_sXe [5.5K]
First you must find out the pattern The pattern is 3+3 = 6 minus one equals 5+5 = 10 minus one equals 9+9 = 18 minus one equals 17+17 The next two would be 17+17 = 34. 34 minus one equals 33 The next two answers are 34 and 33
6 0
3 years ago
What's 1/2 x 3 1/2, I'm only in 6th grade so I don't know much, if you respond with the correct answer, thank you a lot.
andrezito [222]

Answer:

1 75/100 or 3/4

Step-by-step explanation:

if you simplify 1 75/100 its 3/4

8 0
3 years ago
Read 2 more answers
Evaluate [(30+6)-3^2] ÷ by 9·2
kow [346]

Answer:

PEMDAS

[(30+6)-3^2] ÷ by 9·2

[(30+6)-9] ÷ by 9·2

[(36)-9] ÷ by 9·2

(27) ÷ by 9·2

Division comes first in this equation. Multiplication & Division goes from left to right when using PEMDAS. Same thing goes for Addition & Subtraction.

[(27) ÷ 9] · 2

(3) · 2

Answer: 6

Hopefully that made sense!

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • Determine the y and x intercept of a formula is given y=4x+2
    11·1 answer
  • What is the correct answer?!
    10·2 answers
  • EXPRESS 2a^-4/5b^-2 WITH POSITIVE EXPONENTS
    9·2 answers
  • System of equations-4× 7y=-8-5× 6y=1
    14·1 answer
  • a builder finds some unlabeled dimensions on a blueprint, and no scale is shown. A 15-ft wall that has already been built measur
    11·1 answer
  • A survey of 100 students showed that 45 students take english, 25 take math,
    6·1 answer
  • Communicate Mathematical Ideas
    7·1 answer
  • Solve y (1/2)y+6=(3/4)y–4
    5·2 answers
  • It costs $3.45 to buy 3/4 ib of chopped walnuts. How much would it cost to purchase 7.5 ibs of walnuts?
    13·2 answers
  • (15)/(sin64)=(b)/(sin50)=(c)/(sin66)
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!