2 years ago

(17+4) + 9 = 17 + (4+9)

1 answer:

6 0

That's the associative property of addition

it is normally written as
(a+b)+c=a+(b+c)
which is like what you have
(17+4)+9=17+(4+9)

You might be interested in

Two times the first number added to the second number is -7

hodyreva [135]

2a+b=-7
5a+b=-13

b=-2a-7
5a-2a-7=-13
3a=-6
a=-2=first number

2(-2)+b=-7
-4+b+-7
b=-3=second

8 0

3 years ago

Convert the angle 1.5 radians to degrees, rounding to the nearest 10th.

Keith_Richards [23]

Answer:

85.9 (to the nearest hundredth)

Step-by-step explanation:

1 radian = 180°/ $\pi$

Therefore, 1.5 radians = 1.5 x (180°/ $\pi$ ) = 270/ $\pi$ = 85.9 (to the nearest hundredth)

8 0

2 years ago

Read 2 more answers

How to solve this problem

insens350 [35]

What’s da problem that u have?

3 0

2 years ago

Read 2 more answers

Six yards of rope costs $5.50 while four yards costs $4.75

Amiraneli [1.4K]

The best option is the first one (Six yards of rope costs $5.50). It is the lowest unit cost.

<u>Step-by-step explanation:</u>

For the given question case, first we should compare the unit costs of the choices provided and evaluate the best option.

Choice 1:

Six yards of rope costs $ 5.50

$\frac{5.50 \text { dollar}}{6 \text { yard }}=0.9167\ dollar/yard$

Choice 2:

Four yards costs $ 4.75

$\frac{4.75 \text { dollar}}{4 \text { yard }}=1.1875\ dollar/yard$

Thus, the best choice is the first one. Because it is the lowest unit cost.

3 0

3 years ago

You brought 1.5 dozen bagels to school. A dozen bagels cost $5.98. You used a coupon that took $1.00 off of the total. How much

shusha [124]

Answer: (7.97)

Step-by-step explanation:

1 dozen = 5.98

.5 dozen = 2.99

5.98+2.99=8.79 8.79- the 1.00 is (7.97)

hope this helps!

3 0

3 years ago