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
Gennadij [26K]
3 years ago
9

How do i do this im very confused 9+(-2-8)=

Mathematics
1 answer:
Aliun [14]3 years ago
4 0

Use PEMDAS form. (Parentheses, exponents, multiplication, division, addition, subtraction.) You will first solve -2-8 which is -10, then finish with 9 + (-10), or 9-10, which is -1. The answer is -1.

You might be interested in
Can someone help me with this maths equations please?
ale4655 [162]

Answer:

T=4B+10C

Step-by-step explanation:

for every bag there are 4 doughnuts

for every carton there are 10 doughnuts

4 0
3 years ago
In triangle △JKL, ∠JKL is right angle, and KM is an altitude. JK=24 and JM=18, find JL.
PolarNik [594]

Answer:

JL ≈ 32  

Step-by-step explanation:

The triangle JKL  has a side of JK = 24 and we are asked to find side JL. The triangle JKL is a right angle triangle.

Let us find side the angle J first from the  triangle JKM. Angle JMN is 90°(angle on a straight line).

using the cosine ratio

cos J = adjacent/hypotenuse

cos J = 18/24

cos J = 0.75

J = cos⁻¹ 0.75

J = 41.4096221093

J ≈ 41.41°

Let us find the third angle L of the triangle JKL .Sum of angle in a triangle = 180°. Therefore,  180 - 41.41 - 90 = 48.59

Angle L = 48.59 °.

Using sine ratio

sin 48.59 ° = opposite/hypotenuse

sin 48.59 ° = 24/JL

cross multiply

JL sin 48.59 ° = 24

divide both sides by sin 48.59 °

JL = 24/sin 48.59 °

JL = 24/0.74999563751

JL = 32.0001861339

JL ≈ 32  

8 0
3 years ago
In ΔSTU, the measure of ∠U=90°, TU = 6.6 feet, and US = 2.3 feet. Find the measure of ∠S to the nearest tenth of a degree.
zimovet [89]

Answer:

  70.8°

Step-by-step explanation:

The sides and angles are related in a right triangle such that ...

  Tan = Opposite/Adjacent

  tan(S) = UT/US = 6.6/2.3

The inverse tangent function is used to find the angle from its value:

  ∠S = arctan(6.6/23)

  ∠S ≈ 70.8°

8 0
3 years ago
Read 2 more answers
Factor -3x - 3y - 3z.<br> 3(-x – y + z)<br> 3(x - y - z)<br> -3(x + y + z)<br> -3(x - y - z)
abruzzese [7]
3rd option is the correct answer 
8 0
3 years ago
Read 2 more answers
If a+bi, where b is not equal to 0, is a complex zero of a polynomial with real coefficients, then so is its _____ , a-bi.
Jobisdone [24]

Hello,

answer f: conjugate

if all coefficients are real and a+ib a zero, its conjgate a-ib is also a zero.

3 0
3 years ago
Other questions:
  • The endpoints of a segment are (4, 2) and (–2, 2). What are the endpoints of the segment after it has been translated 6 units do
    9·1 answer
  • If a linear equation is written in form y=1/2x-2, which method could be used to graph the line represented by the equation?
    10·2 answers
  • What should be included in a financial plan to protect assets?
    5·2 answers
  • Hello, a Maths question if anyone knows what to do Solve: 6(x+4)=30
    13·2 answers
  • Ffwbnbabbabaavwvwc. Vv
    6·2 answers
  • What type of counting problem is this? If Jackson is at the store and can buy any 3 fruit (the store sells apples, oranges, pear
    6·2 answers
  • HEYOO PEEPS Calculate the average speed of the four team members. Each person ran 50 meters.
    14·2 answers
  • The number of carbon atoms in a fossil is given by the function <img src="https://tex.z-dn.net/?f=y%20%3D%205100%280.95%29%5E%7B
    10·1 answer
  • What is the value of the x in this equation x/2 = 8​
    7·1 answer
  • Tape measure helpppp
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!