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ZanzabumX [31]
3 years ago
7

What is 7 to the power of -2 divided by 1​

Mathematics
2 answers:
frosja888 [35]3 years ago
4 0

Answer:

-49

Step-by-step explanation:

Hope this helps

PLZZ MARK BRAINLIEST

Papessa [141]3 years ago
4 0
7^-2 = 1/7^2 = 1/49
When you divide anything by 1, it’s the same thing before division.
The answer is 1/49
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Can someone please help me help me pls
lord [1]
This is easy onystly I think you should do it your self but the answer is number b
8 0
3 years ago
I just need the answers
ICE Princess25 [194]

Answer:

x=4. y= 7/2----3.5

Step-by-step explanation:

for B the answer could also he m=0, b=7/2 if you're looking for the function

if you want the alt version it could also be y=3 1/2/y=3.5

8 0
2 years ago
Read 2 more answers
Plz help on rationalising surds
Fittoniya [83]
(√5 + 3)² / √20=
((√5 + 3)² / √20)(√20/√20)=
(√20(√5 + 3)²) / (√20)²=
√20(5+6√5+9) /20=
√20 (14+6√5) /20=
(14√20 +6√100) /20=
(14√20 +60) / 20=
(14(√4√5) + 60) /20=
(14(2)(√5)+60) / 20=
(28√5+60) /20=
(7√5+15) / 5

Answer:(√5 + 3)² / √20= <span>(7√5+15) / 5</span>
3 0
3 years ago
maria bought 1224 cm of ribbon for her art picture at $0.75/m. how much did she pay for ribbon, to the nearest cent?
k0ka [10]
Data:
Tape size = 1224 cm → 12.24 m
Price per size = <span>$0.75/m

Solving: </span>Rule of three (directly proportional)<span>

$ (price) __ (Size)
0.75 ----------- 1 m
y --------------- 12.24 m

Multiply cross

</span>y = 0.75*12.24
\boxed{\boxed{y = \$\:9.18}}\end{array}}\qquad\quad\checkmark
<span>
Answer:
</span><span>She paid for the tape $ 9.18</span>
3 0
3 years ago
The endpoints of the segment AB are A(-2,4) and B(4,0). Find the endpoints of the image after the segment is reflected over the
serious [3.7K]

Answer:

A' ( 2, 4) and B' ( -4, 0)

Step-by-step explanation:

A ( -2, 4) and B( 4,0)  reflected over the y-axis

A' ( 2, 4) and B' ( -4, 0)

the y-coordinate do not change and the x is opposite sign

(x,y) reflected over y-axis (-x, y)

3 0
3 years ago
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