2 years ago

SOMEONE PLEASE HELP ME

Mathematics

2 answers:

madam [21]2 years ago

8 0

Answer:

+2.5

Step-by-step explanation:

hope this helps branliest plzz

Lina20 [59]2 years ago

7 0

Answer:I’m pretty sure the answer is adding 2.5

Step-by-step explanation:

10.5+2.5=15.5 etc. Hope that helps!

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If angle 1 is 150°, what is angle 4 and angle 7?

Anna71 [15]

Angle four is 30° and angle 7 is 150! angle four equals 30° because a straight line equals 180, and 180-150=30. angle 7 is 150 through corresponding angles

8 0

3 years ago

What is (99/100)^101 times (100/99)^100?

sineoko [7]

Answer:

99/100

Step-by-step explanation:

First of all recall that

$a^n\cdot b^n =(ab)^n$

Now we we will try to apply that formula for $a=99/100$ and $b=100/99$ .

First rewrite $(99/100)^{101}=(99/100)\times (99/100)^{100}$

Now

$(99/100)\times (99/100)^{100}\times (100/99)^{100}\\=(99/100)\times ((99/100)\times (100/99))^{100}\\=(99/100)\times 1^{100}\\=(99/100)\times 1\\=99/100$