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Elden [556K]
3 years ago
11

Calcule as expressões:

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Step-by-step explanation:

a, 1/4+2/5=13/20

b,-1/8+1=7/8

c, 4/25×-1/8=-1/50

d, 2×1/9-1/2=2/9-1/2=-5/18

e, 1+2/5-1/4=7/5-1/4=23/20

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Veronica got 3 times as many gifts as Natalie. Together Veronica and Natalie got a total of 12 gifts how many gifts did Natalie
fenix001 [56]
The equation we'll use for this is:Total Gifts = Veronica's Gifts (v) + Natalie's Gifts (n).
12 = v + n
The problem says Veronica got 3 times as many gifts as Natalie.
You can directly translate this into an equation!
v = 3 * n = 3n.  This means we can replace any v with 3n.
So, 12 = v + n = 3n + n = 4n
12 = 4n
3 = n.  Natalie got 3 gifts.
We can now plug back in for Veronica's gifts:
v = 3n
v = 3(3)
v = 9.  Veronica got 9 gifts.
5 0
3 years ago
What is the solution to the inequality 1/4(3x-6) >2(7-x +1
Vladimir79 [104]

Answer:

x>70/11

Step-by-step explanation:

5 0
3 years ago
Which expression converts 8 radians to degrees?
damaskus [11]

Answer:

D

Step-by-step explanation:

To convert from radians to degrees use the formula:180°/π

5 0
3 years ago
Read 2 more answers
If I have 35 cookie and then eat 5 of them how much would I have left in all
erik [133]
You will have 30 cookies left
6 0
3 years ago
What is the circumference, in centimeters, of the circle? Use 3.14 for π. Enter your answer in the box. (the diameter is 24cm)
gizmo_the_mogwai [7]

The circumference of the circle is 75.36 cm.

  • Step 1: Given data:

Diameter of the circle is 24 cm,

\pi = 3.14

  • Step 2: Formula used and calculation:

Circumference of the circle is 2\pi r.

So, Radius, r = 24/2 = 12 cm.

Now, Putting the value in the above formula, we get

2 × 3.14 ×12 = 3.14 × 24 = 75.36 cm.

Hence, the circumference of the circle is 75.36 cm.

Learn more about circumference of the circle, refer:

brainly.com/question/23964435

8 0
2 years ago
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