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lozanna [386]
3 years ago
8

Solve for x, rounding to the nearest hundredth. 70 - 2^3x = 35

Mathematics
2 answers:
agasfer [191]3 years ago
6 0

Answer:

x= 1.71

Step-by-step explanation:

We need to isolate x in the equation, first subtract 70 from the left side, so the equation is, -2^{3x\\}=-35. There is a negative sign in both equations so we cancel them out so our equation is  2^{3x\\}=35. Now we use log, so our equation now looks like  {log(35)/log(2)}/3=x. When we do it out we get that x=1.70976, and when rounded we get, x-1.71.

eduard3 years ago
5 0

Answer:

x=4.375

Step-by-step explanation:

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Please help all u need to do is find out a and b
Tomtit [17]

Step-by-step explanation:

as we can see that the sides are in the ratio of 2:1 and are consecutive

so

a;b=2:1

a=4

b=8

5 0
3 years ago
a rectangular patio has a perimeter of 60 feet. if the length of the patio is 3 feet less than twice the width, find the dimensi
Juli2301 [7.4K]
P = 2(L + W)
P = 60
L = 2W - 3

60 = 2(2W - 3 + W)
60 = 2(3W - 3)
60 = 6W - 6
60 + 6 = 6W
66 = 6W
66/6 = W
11 = W <=== the width is 11 ft

L = 2W - 3
L = 2(11) - 3
L = 22 - 3
L = 19 <=== the length is 19 ft
6 0
4 years ago
Subtract 2+ 3a2 -12ab +4b2 from 1+ 8a2+16ab +2b2​
Anvisha [2.4K]

The answer of the following subtraction is 5a^{2} -2b^{2} +28ab

Step-by-step explanation:

As per the question the equation will be

(1+8a^{2}+16ab+2b^{2}  ) - (2+3a^{2} -12ab+4b^{2}  )

To find the subtraction,

The steps are as follow

=1+8a^{2} +16ab+2b^{2} - 2 -3a^{2} +12ab-4b^{2}

=1-2 + 8a^{2} -3a^{2} +2b^{2} -4b^{2} +16ab+12ab

[ we took the variables with same power together]

=5a^{2} -2b^{2} +28ab

Hope it helps you.

3 0
4 years ago
Read 2 more answers
Can anyone help me with number 3 please
Gnoma [55]
Answer:


I think is (B)
4 0
3 years ago
Given ∆QRS≅∆TUV, QS=4v+3, and TV=7v-9, find the length of QS and TV.?
Anon25 [30]
If we are supposed to assume that QS=TV

4v+3=7v-9
minus 4v both sides
3=3v-9
add 9
12=3v
divide 3
4=v
v=4

sub back

4v+3=QS=TV
4(4)+3=QS=TV
16+3=QS
19=QS=TV

then answer is C
7 0
4 years ago
Read 2 more answers
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