If the sin 30° is one half, then the cos ________° = ________.

60°; one half
30°; square root 2 over 2
60°; square root 3 over 2
30°; 1

Answers

Answer 1

Step-by-step explanation:

[tex]sin(a) = cos(90 - a)[/tex]

60°= one half

Answer 2

Answer:

The answer and most correct out of the options given is answer "A."

Step-by-step explanation:

Took the test, the person above is right I can confirm. I know a lot of people want confirmation for these answers.


Related Questions

$7.45 + -$23.45 + $74.17 + -$76.52

Answers

Answer:

-$18.35

Step-by-step explanation:

$7.45 - $23.45 + $74.17 - $76.52 =

-$18.35

Answer:

-18.35

Step-by-step explanation:

7.45 + -23.45 = -16

-16 + 74.17 = 58.17

58.17 + -76.52 = -18.35

Hopefully this helped :]

srry if I'm wrong

Complete each statement with a number that makes the statement true.



_____ < 7°C



Do not include units (°C) in your answer.



copied for free from openupresources.org


Select one:
15
8
4
10

Answers

Answer:

4

Step-by-step explanation:

the answer is: 4

cause 4 is less than 7

1. 7 x ____ = 70

2. 86 x 10 = ____

3. 830 = ____ tens

4. ____ tens = 960

5. 10 x 61 = ____

6. 830 x 10 = ____

7. 1080 = ____ tens

8. ____ x 10 = 610

9. 135 x 10 = ____

10. 100 x 10 = ____

11. ____ x 10 = 790

12. ____ tens = 3700

13. 340 = ____ tens

14. 358 x 10 ____

Answers

Answer:

1. 7×10=70

2. 86×10=860

3. 830=3 tens

5. 6 tens=960

6. 10×61=610

7. 830×10=8300

8. 1080= 8 tens

9. 61×10=610

10. 100×10=1000

11. 79×10=790

12. 0 tens= 3700

13. 340= 4 tens

14. 358×10=3580

Answer:

9

Step-by-step explanation:

write an absolute value inequality for each graph explain pls?

Answers

Answer:

Step-by-step explanation:

(n) less than or equat to

the answer would be B, because it is

The equation LaTeX: p=5000\cdot2^tp = 5000 ⋅ 2 t represents the population of an invasive fish species in a large lake, years since 2005, when the fish population in the lake was first surveyed.


What was the population in 2005?

Answers

Answer:

10000 fish species

Step-by-step explanation:

Given

[tex]p=5000\cdot2^t[/tex]

Required

Find the population in 2005

2005 is the first year

So: [tex]t = 1[/tex]

Substitute 1 for t in [tex]p=5000\cdot2^t[/tex]

[tex]p=5000\cdot2^t[/tex]

[tex]p = 5000 * 2^1[/tex]

[tex]p = 5000 * 2[/tex]

[tex]p = 10000[/tex]

4. Simplify the expression by combining like terms. 8a+6b+5a+2b *

A. 13a+6b-2b
B. 17ab
C. 13a+8b
D. 13a+4b

Answers

Answer:

C

Step-by-step explanation:

Add the like terms, the a's by themselves and b's by themselves.

8a+5a=13a

6b+2b=8b

so 13a+8b

C

Find the slope of the line that
goes through the points (-3, 6)
and (-4,-1)

Answers

Answer:

7

Step-by-step explanation:

1) (-3,6) and (-4, -1) go into this formula m = (y2 - y1) / (x2 - x1)

2) -1 - 6 / -4 - (-3) = -7/-1

3) -7/-1 = 7

4) m=7

m = slope

what times 60 equals 105

Answers

60 x 1.75 = 105
( you divide 105/60 to get 1.75)

Answer:

1.75

Step-by-step explanation:

To do this you would have to do

105/60=1.75

so that would be the answer

If you can buy meat at 43.75 for 5 pounds,find the unit price of meat how much would 7 pounds cost

Answers

Each pound is 8.75
So 7x8.75=$61.25

Nicole's school is selling tickets to a play. On the first day of ticket sales the school sold 3 senior
citizen tickets and 14 student tickets for a total of $232. The school took in $230 on the second day by selling 11 senior citizen tickets and 7 student tickets. Find the price of a senior citizen ticket and the price of a student ticket
100 points

Answers

Answer:

→ please refer to the above attachment ←

★ Cost of senior ticket is $12.★ Cost of student ticket is $14.


Simplify the expression:
-3(3 – 06y)

Answers

Answer:

18y−9

Step-by-step explanation:

Answer:

-9 - (-18y)

simplified more answer : -9 + 18y

if the 06 is a decimal then: answer: -9 - (-1.8y)

more simplfied answer: -9 + 1.8y

Step-by-step explanation: -3 x 3 = -9

-3 x 6y = -18 y

(if 06 a decimal: -3 x 0.6y = -1.8y)

variable answers (answers with a letter ) cannot be added together with a non variable answer

I need some help 50 points!

Answers

Answer:

distance between a number and zero

|a| = a if a >= 0 and |a| = -a if a < 0

|4| = 4    and   |-4| = 4

nonnegative

symmetric over the y-axis

left line is y = -x for x < 0

right line is y = x for x >= 0

Axis of symmetry: y-axis

Vertex: (0, 0)

-13 is 4 less than a number n

Answers

Answer:

-9

Step-by-step explanation:

-13 = n-4

n = -9

Answer:

-9

Step-by-step explanation:

n-4= -13,

9+4=13, so -9 -4= -13

I reallyyyy need help on this

Answers

Answer:

4

Step-by-step explanation:

h(k(3))=[tex]\sqrt{2(3)+7+3}[/tex]

         =4

9. (4 x 10) (3.25 x 10)

Answers

Answer:

1300

Step-by-step explanation:

(4 x 10) (3.25 x 10)=40*32,5=1300

Answer:

1300

Step-by-step explanation:

(4×10) (3.25×10)

40 × 32.5= 1300

Yesterday’s temperature in Florida was 70°F while New Jersey was -2°F. How much warmer was Florida’s temperature than NJ’s temperature?

Answers

Answer:

72

Step-by-step explanation:

70-(-2)=70+2=72

2. Solve for x.
X
41°
54
41°
W
6x + 6

Answers

Answer:

since angles x and y are equal, then sides WX and WY should also be equal

x=8

Step-by-step explanation:

54=6x+6

48=6x

8=x

Four more than three times a number is greater than twenty-two what is the answer?

Answers

Answer:

4 + 3x > 22?

im pretty sure this is the answer

Oliver and his friend were buying trick decks from the magic shop for 8 dollars each. How much did they spend if Oliver bought 4 decks and his friend bought 6 decks?

Answers

Ans:80



Explanation: 8*4=32. 8*6=48. 32+48=80

Work out the length of DB in the diagram below.
Not drawn
to scale
С
5 cm
D
B
4 cm
E
А
18 cm

Answers

Answer:

10cm

Step-by-step explanation:

CDB and CEA are similar=>CD/CE=DB/EA=>5/9=DB/18=>

9DB=90

DB=10

The required length of DB in the diagram below is 10 cm.

What is the triangle?

Triangle is a polygon that has three sides and three angles. The sum of the angle of the triangle is 180 degrees.

Given:

In the given triangle we have

СD=5 cm

DE= 4 cm

EA= 18 cm

According to given question we have

In a triangle CDB and CEA are similar

So,

[tex]\frac{CD}{CE} =\frac{DB}{EA}\\\\=\frac{5}{9} =\frac{DB}{18}\\\\=9DB=90\\\\DB=10[/tex]

Therefore, the required length of DB in the diagram below is 10 cm.

Learn more details about triangle here:

https://brainly.com/question/2773823

#SPJ5

What are the solutions of 3(x – 5)(2x – 3) = 0? Check all that apply.
Group of answer choices below.

-5

-3

-2/3

3/2

3

5

Answers

Answer:

[tex]3(x - 5)(2x - 3) = 0[/tex]

Solution of the given expression are :---

[tex]x - 5 = 0 \\ \boxed{ x = 5}[/tex]

[tex]2x - 3 = 0 \\ 2x = 3 \\ \boxed{x =\frac{3}{2} }[/tex]

x=5 and x=3/2 are the solution of the given expression.

Find the term that must be added to the equation x2−2x=1 to make it into a perfect square.

Answers

Answer:

The perfect square ( x -1 )² = 2

Step-by-step explanation:

Explanation:-

Given equation  x² - 2 x = 1

              ⇒        x² - 2 x + 1 -1 = 1

             ⇒        x² - 2x + 1² = 1 +1

             ⇒     ( x -1 )² = 2

What’s the slope of (9,6)
(1,4)

Answers

y= (1, 4) times x + (15, 4)

The Answer is:

8/2=4

you can draw a graph but you can just do (9-1)/(6-4) which equals to 8/4 which can be 4

What is the value of the missing angle?
a.120
b.130
c.155
d.720​

Answers

Answer:

B.

Because the number of sides is 6 so the s go interior angles is 720. So if u want to get x u need to sum up the rest of the angles anf subtract from 720 giving an answer of 130

Please answer this question its easy.

Answers

Answer:

ok if its wrong then dont ask on period

Step-by-step explanation:

Gfgdhhehehdhrjrhdhhrr hrhrhurhrhrhrhrr shrugged

(PLEASE HELP ME)

Which of the following number sentence is true?
A. 35/5 = -7

B. -72/9 = 8

C. -48/-12 = -4

D. -65/-13 = 5

Answers

this right answer is D.
because -65 divided by -13 is 5

Answer:

D

Step-by-step explanation:

D

I need some answers please please please

Answers

Answer:

what does slope mean?

Answer:1

Step-by-step explanation:

solve -9/2x + 7 + 1/2x +4 = 10

Answers

1/4 should be the answer.

Please help me 35 points but please do not abuse this and answer incorrectly. Will name brainliest Thank you :)

Answers

Step-by-step explanation:

You just simplifyall answers or expand them and add them up

Simplify:
4
(1934)
O
A.
Xy3216
B.
x93,8
O c. x7,12,16
D.
2778

Answers

D would be the answe to your question
Other Questions
Plz help me will mark brainliest What are the genotypes of the parents represented in this Punnett square? CBA5 - 10th Grade World HistoryWe the People of the United States, in order to form a more perfect Union...do ordain andestablish this Constitution for the United States of America- Preamble to the US ConstitutionWhich of the following ideas of the American Revolution is evident in the quote above?Apopular sovereigntyBseparation of powerslibertyDchecks and balances Which verb or verb phrase signals an inappropriate shift in mood? I think Daniel should become a plumber. He would be able to own his own business. He might even hire others to work for him someday. As a plumber, he could make a lot of money. He could help out his friends and family with plumbing problems. Will you give us a discount on plumbing work, Daniel? A. could help out B. should become C. Will you give D. would be able to own Part DSimplify the inequality obtained in part iii.i cant post a pic cause it wont let me HELP GEOMETRY PROOFS Raynor earns $4 in rewards for every $75 he spends at the grocery store . If he earned $44 in rewards last month, how much did he spend at the store How did segregation become the key issue in the Plessy v. Ferguson case? How does latitude influence climate? What formed through longshore drift? Which type of volcano has steep angled sides, throws blobs of lava in the air that fall as cinders, and is built over a short period of time?Cinder cone CompositeLava dome Pls help Im failing math Ill brainlest Which process transfers pollen from the male reproductive structures to the female reproductive structures? futuro de las artes redaccion Help me please asap Simplify:(8x - 5) + (-2x + 7)A. 6x + 2B. 6x - 12C 6x + 12D. 10x - 12E 10x + 2 which of the following is not proportiol 1/4=3/12 8/6= 20/15 2/4 = 3/6 4/10 = 12/20 _1. Nuclear a.energy associated with moving objects or objects that could move later_2. Gravitational b. energy from waves such as light, radio, x-rays _3. Elastic c. energy associated with heat_4. Chemical d. energy associated with moving electrons and magnetism_5. Thermal e. energy stored in the nucleus of an atom _6. Sound f. energy stored in chemical bonds _7. Radiant/Light g. energy an object has because of its height above ground 8. Electromagnetic h. energy associated with vibrating air particles wiggling your eardrum _9. Mechanical i. energy stored in a stretched or pressed objectNeed help asap someone help me match the letters to the right vocabulary A real estate developer will construct four homes on a plot of land. The plot is 4/12 acres long and 2/19 acres wide. Each new homeowner will have 1/4 of the plot. The real estate developer charges a fee, x, based on the number of square acres each homeowner purchases. To calculate how much the fee will be, one homeowner writes the expression x(4/122/194). Which expression shows another way to calculate the fee? A.9 1/2 x2B.9 1/2 times x/4C.9 1/2 divided x/4 D.9 1/2 times 4x The equation defines a function. Write an equation for the inverse function.