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2 years ago

5

Which is equivalent to sin 51°?A) cos 51°B) cos 39°C) tan 39°D) tan 51°

1 answer:

____ [38]2 years ago

8 0

The answer is B
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Which function has a range of y < 3?

Setler79 [48]

Using a graphing tool

Let's graph each of the cases to determine the solution of the problem

<u>case A)</u> $y=3(2^{x})$

see the attached figure N $1$

The range is the interval--------> (0,∞)

$y> 0$

therefore

the function $y=3(2^{x})$ is not the solution

<u>case B)</u> $y=2(3^{x})$

see the attached figure N $2$

The range is the interval--------> (0,∞)

$y> 0$

therefore

the function $y=2(3^{x})$ is not the solution

<u>case C)</u> $y=-2^{x}+3$

see the attached figure N $3$

The range is the interval--------> (-∞,3)

$y< 3$

therefore

the function $y=-2^{x}+3$ is the solution

<u>case D)</u> $y=2^{x}-3$

see the attached figure N $4$

The range is the interval--------> (-3,∞)

$y>-3$

therefore

the function $y=2^{x}-3$ is not the solution

<u>the answer is</u>

$y=-2^{x}+3$

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2 years ago

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Steffen graphed two lines in order to find the solution to a given system of equations. What is the solution?

Pavlova-9 [17]

check the picture below.

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2 years ago

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The Lynx pay their four running backs $1 million, $850,000, $750,000, and $500,000. If the team salary is $33 million a year, wh

yawa3891 [41]

The total of the running backs' salaries need to be added together first. So, $1 000 000 + $850 000 + $750 000 + $500 000 = $3 100 000. Now we divide the total number of salaries by the running back salaries: $3 100 000/$33 000 000 = 0.094 x 100 = 9.4 %.
Round off to nearest percent = 9.00 %.

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2 years ago

8_murik_8 [283]

Answer:

18.95(0.3+0.1)

Step-by-step explanation:

Add the parenthesis and then multiply it to the cost to get the answer

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2 years ago

What is the missing statement in the proof? Scroll down to see the entire proof.

Eva8 [605]

Answer: C. $\angle BCA\cong \angle DCB$ is the missing statement.

Explanation: Given: ΔABC with m∠ABC = 90° (view diagram)

Prove: $AB^2 + BC^2 = AC^2$

Proof: 1. Draw $BD\perp AC$ (construction)

2. $\angle ABC\cong\angle BDC$ (Angles with the same measure are congruent.)

3. $\angle BCA\cong \angle DCB$ (Reflexive Property of Congruence)

4. $\triangle ABC\sim \triangle BDC$ (AA criterion for similarity)

5. BC:DC=AC:BC (Corresponding sides of similar triangles are proportional.)

6. $BC^2= AC\times DC$ (cross multiplication)----------(1)

7. $\angle ABC\cong \angle ADB$ (Angles with the same measure are congruent)

8. $\angle BAC\cong \angle DAB$ (Reflexive Property of Congruence)

9. $\triangle ABC\sim \triangle ADB$ (AA criterion for similarity)

10. AB:AD=AC:AB⇒ $AB^2=AC.AD$ --------------(2)

equation (1) + equation (2) ⇒ $AB^2+BC^2= AC(DC+AD)$ ⇒ $AB^2+BC^2= AC^2$

6 0

1 year ago

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