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dexar [7]
3 years ago
11

Joelle's homework covers multiplication with powers of 1010 . The first question on her homework is 32.4\ \times10^232.4 ×10 2 .

What is the value of the expression?
Mathematics
2 answers:
grigory [225]3 years ago
7 0

Answer:

103.424

Step-by-step explanation:

antoniya [11.8K]3 years ago
3 0

Answer:

The answwer is 103.424 I am taking this CFA 5th grade test right now because school is almsot going to end.

Step-by-step explanation:

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What is the discriminant for 5x^2 + x - 2 =0
Lelu [443]

Answer:

41

Step-by-step explanation:

by using formula D = b² – 4ac, we get

D = 1² – 4(5)(–2) = 41

4 0
2 years ago
If ΔRST is rotated 180° clockwise about the origin, which of the following drawings would represent the rotated image ΔR'S'T'?
bekas [8.4K]

Answer:

it’s c trust me

Step-by-step explanation:

if it rotates 180 clockwise, cross D and b out.

B is only a 90 rotation

A is Wong because u only dialatwd

So c is correct

3 0
2 years ago
Please help me answer this question genius
kolbaska11 [484]

Answer:

  x ∈ {-0.465, 1.014}

Step-by-step explanation:

The equation can be cast in the form f(x) = 0, and solved easily using a graphing calculator. That shows x ≈ -0.465 and x ≈ 1.014. The same calculator can iterate the roots to full calculator precision.

__

The equation can be made a quadratic by the substitution ...

  z = e^(2x)

Then we have ...

  2\cosh(2x)-\sinh(2x)=4\\\\2\cdot\dfrac{e^{2x}+e^{-2x}}{2}-\dfrac{e^{2x}-e^{-2x}}{2}-4=0\qquad\text{use exponential identities}\\\\2z+2z^{-1}-z+z^{-1}-8=0\qquad\text{multiply by 2, substitute z}\\\\z^2 -8z+3=0\qquad\text{multiply by z}\\\\z=\dfrac{8\pm\sqrt{(-8)^2-4(1)(3)}}{2(1)}=4\pm\sqrt{13}\\\\x=\dfrac{\ln(z)}{2}=\dfrac{\ln(4\pm\sqrt{13})}{2}\approx\{-0465133,1.014439\}

7 0
1 year ago
What is the value of -2(x + 5)?
Nataly_w [17]

Answer:

5)

1

 

Expand by distributing terms.

-2x-2\times 5−2x−2×5

2

 

Simplify  2\times 52×5  to  1010.

-2x-10−2x−10

3 0
2 years ago
Which is equivalent to 64^1/4?<br> 2^4√4<br> 4<br> 16<br> 16^4√4
zalisa [80]

Answer:

Step-by-step explanation:

64^1/4\\\\=\dfrac{64^{1}}{4}  \\\\=\dfrac{64}{4} \\\\=16\\\\Answer\  C

7 0
3 years ago
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