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kirill115 [55]
3 years ago
12

HELP!!!!!!!!!! IM PANICKING I NEED HELP IM SO STRESSED OUT RN I NEED HELP

Mathematics
1 answer:
Kisachek [45]3 years ago
8 0
For the first question, C = 125.664
However that doesn’t match any of the options and that confuses me. C= pie*D
For the second question, A= 0.028
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If isosceles triangle ABC has a 130° angle at vertex B, which statement must be true?
marshall27 [118]

Answer:

m∠A + m∠B = 155

Step-by-step explanation:

ABC is an isosceles triangle that has a 130° angle at vertex B

then

m∠A = (180 - 130)/2 = 50/2 = 25 = m∠C

then

m∠A = m∠C = 25°

7 0
3 years ago
Read 2 more answers
I actually have 5 questions on the same thing, just different setups. But how would I go about solving them? .-.
Ivanshal [37]
<span>1)  2p = -2.
<span>     4p [ y - k ] = [ x - h) ]² --- > - 4 [ y + 5 ] = [ x + 5 ]²
2) </span></span><span>4p * (y - k) = (x - h)^2 </span>

<span>(h , k) is the vertex </span>

<span>The vertex is halfway between the focus and the directrix (when they're at their closest) </span>
<span>p is that distance </span>

<span>2 - 1 = 1 </span>
<span>4p = 1 </span>
<span>p = 1/4 </span>

<span>(1/4) * (y - k) = (x - h)^2 </span>
<span>y - k = 4 * (x - h)^2 </span>

<span>The vertex is at (6 , 3/2), since that's midway between (6 , 1) and (6 , 2) </span>

<span>y - 3/2 = 4 * (x - 6)^2 </span>
<span>y = (3/2) + 4 * (x - 6)^2 
</span><span>
4) </span><span>f(x) = (-1/16)*(x²)
</span><span>
5) </span><span>f(x) = −1/4 x2 − x + 5</span><span> 

</span>
5 0
3 years ago
BC -<br> Round your answer to the nearest hundredth.<br> B<br> ?<br> 35<br> A<br> с<br> 2.
mario62 [17]

Answer:

BC ≈ 1.40

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Trigonometry</u>

  • [Right Triangles Only] SOHCAHTOA
  • [Right Triangles Only] tanθ = opposite over adjacent

Step-by-step explanation:

<u>Step 1: Identify</u>

Angle θ = 35°

Opposite Leg BC = <em>x</em>

Adjacent Leg AC = 2

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute [Tangent]:                    tan35° = x/2
  2. Isolate <em>x</em>:                                        2tan35° = x
  3. Rewrite:                                          x = 2tan35°
  4. Evaluate:                                        x = 1.40042
  5. Round:                                            x ≈ 1.40
4 0
3 years ago
Read 2 more answers
Please help me with this question
jeyben [28]

Answer:

37

add all of them together then divide it by two

4 0
3 years ago
If an object is dropped from a height of 178 feet, the function h(t)=-16t^2+178 gives the height of the object after t seconds.
svp [43]

Answer:

B. 3.34s

Step-by-step explanation:

Find t when the object hit the ground, h(t)=0.

h(t)=-16t²+178

0=-16t²+178

16t²=178

t²=11.125

t=√11.125=3.33541601603s

4 0
3 years ago
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