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VARVARA [1.3K]
2 years ago
13

Please answer. I will give brainliest.

Mathematics
1 answer:
Delvig [45]2 years ago
5 0

Answer:

1/2b - 5 (the third one)

Step-by-step explanation:

"Denni is five years less..."

this tells us we will need to be subtracting five, which knocks out the other answers.

"..one-half his brothers age."

since b represents the age of his brother, one half his brothers age is 1/2b  

That leaves us with 1/2b - 5

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Subtracting/adding mixed fractions
pishuonlain [190]
A)
= 3 2/4
= 3 1/2

b)
= 7 10/15 + 2 3/15
= 9 13/15
4 0
3 years ago
Tia measured a greeting card and found that it was 1 decimeter long. How many centimeters are in 1 decimeter?
Advocard [28]

Answer:

10 cm

Step-by-step explanation:

1 decimeter is equal to 10⁻¹ meters.

1 meter is equal to 10² centimeters. We can use a conversion fraction to find the centimeters corresponding to 10⁻¹ meters.

10⁻¹ m × (10²cm/1 m) = 10 cm

1 dm = 10⁻¹ m

10⁻¹ m = 10 cm

Due to the transitive property, 1 decimeter is equal to 10 centimeters.

4 0
4 years ago
How do you evaluate 3ab
dimaraw [331]
Lets say a=2 and b=5  you now plug in you numbers to get 3x2x5 we know 3x2=6 so now take 6 and multiply it by 5 so 6x5=30  you can also set this equal to 0 3ab=0 then divide by either a or b ill show you both if you divide by a you are left with 3b=a if you divide by b than you get 3a=b
5 0
3 years ago
Solve for In(5z + 7) – 8
Elden [556K]

Step-by-step explanation:

In×5z+In×7

=1.67z +1.95-8

=1.67z-6.05

6 0
4 years ago
Point J is located at (-4,4).<br> Select all of the following that are 4 units from point J.
lara [203]

Answer:

<h2><em>All of the above!</em></h2>

Step-by-step explanation:

They all are 4 points away from (-4, 4)..

<u />

<u>Hope this helps.</u>

4 0
3 years ago
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