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tatuchka [14]
3 years ago
12

Which other expression has the same value as – 7 - (-2)

Mathematics
1 answer:
umka21 [38]3 years ago
8 0

Answer: do you have a calculator, if you dont just look it up -.-

Step-by-step explanation: (sorry if this sounds rude, im not trying to be)

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Write anwsers as fractions using / as fraction bar and write the greater value first
puteri [66]

Answer:

Final answer is \frac{3}{2} or \frac{1}{2}.

Step-by-step explanation:

Given equation is \log_x\left(8x-3\right)-\log_x\left(4\right)=2

Now we need to solve that equation for x.

\log_x\left(8x-3\right)-\log_x\left(4\right)=2

Apply formula \log_c\left(A\right)-\log_c\left(B\right)=\log_c\left(\frac{A}{B}\right)

\log_x\left(\frac{8x-3}{4}\right)=2

Apply formula \log_c\left(A\right)=b \Rightarrow c^b=A

x^2=\frac{8x-3}{4}

4x^2=8x-3

4x^2-8x+3=0

4x^2-2x-6x+3=0

2x(2x-1)-3(2x-1)=0

(2x-3)(2x-1)=0

2x-3=0 or 2x-1=0

2x=3 or 2x=1

x=\frac{3}{2} or x=\frac{1}{2}

Hence final answer is \frac{3}{2} or \frac{1}{2}.

6 0
4 years ago
Cone a has a radius of 6 units and a height of 4. Sphere B has the same volume as cone A. Find the Radius of sphere B.
postnew [5]

Answer:

3.3

Step-by-step explanation:

to determine the answer

calculate the volume of the cone

the volume of the cone  = volume of the sphere

use the volume of the sphere to find the radius

Volume of a cone 1/3(nr^2h)

n = 22/7

r = radius  

h = height

(1/3) x (22/7) x (6^2) x 4 = 150 .86

volume of sphere = (4/3) x (n) x (r^3)

n = 22/7

r = radius

(4/3) x radius^3 x (22/7)  = 150.86

radius^3 = (3/4) x (7/22) x 150.86

radius^3 = 36

find the cube root of 36

radius = 3.3

37.71

6 0
4 years ago
HELPPP PLZZ!!
Alex73 [517]
There’s no picture of the graph
4 0
3 years ago
F(x)= 3x+4<br> find inverse, domain, at range of the function and it's inverse.
daser333 [38]

Answer:

12

вот правильный ответ

6 0
3 years ago
Simplify<br> 1. √28<br> 2. √72<br> 3. √2 times √10<br> Please help
Mnenie [13.5K]

Answer:

Step-by-step explanation:

1. 2 square root 7

2. 6 square root 2

3. 2 square root 5

5 0
3 years ago
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