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Finger [1]
3 years ago
15

Solve please. Brainliest for best answer.

Mathematics
2 answers:
Serhud [2]3 years ago
5 0

Answer:

x=7 this is what I got on

NikAS [45]3 years ago
4 0

Answer:

x=7

Step-by-step explanation:

3ˣ⁻⁵=9

3ˣ⁻⁵=3²

x-5=2

x=2+5

x=7

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a 64 gallon tank contains 45 gallons of oil. How many gallons are removed if 4/5 of this quantity is sold?
skad [1K]
4/5 is already simplified so its going to be 4/5 or .45
6 0
3 years ago
In the figure below, mZ1=(x +48) and m2 2=2xº.<br> Find the angle measures.
NARA [144]
Since m < 1 and m < 2 are complementary angles wherein the measure of their angles add up to 90°, we can establish the following equation:

m < 1 + m < 2 = 90°
x° + 48° + 2x° = 90°

Combine like terms:
48° + 3x° = 90°

Subtract 48° from both sides:

48° - 48° + 3x° = 90° - 48°

3x = 42°

Divide both sides by 3 to solve for x:

3x/3 = 42/3

x = 14°

Plug in the value of x into the equation to fins m< 1 and m < 2:

m < 1 + m < 2 = 90°
(14° + 48°) + 2(14)° = 90°
62° + 28° = 90°

90° = 90° (True statement)

Therefore:

m < 1 = 62°
m < 2 = 28°
6 0
3 years ago
What’s variance and how do I figure it oit
Andreas93 [3]
<h2>Answer:</h2>

variance measures variability from the average or mean. It is calculated by taking the differences between each number in the data set and the mean.','.

5 0
2 years ago
What is D to the secind power plus 8D plus 7
Feliz [49]
It matters what D is.
the way to do it is like 8 to the third power th math is:
8 times 8=64
8 times 64=512
8 times 512=4096
3 times
7 0
2 years ago
Leona is having a birthday party on Sunday. Jeanette wants to know how many people will be coming. Leona tells her that there wi
konstantin123 [22]

Answer:77 and 87

Step-by-step explanation:

7×6=42 + 5+7=35/\ 35+42=77(first outcome)

7×6=42 + 5×9=45/\42+45=87 (second outcome.

7 0
2 years ago
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