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Inessa [10]
3 years ago
13

What property will you use to solve this equation; 19+n=30

Mathematics
1 answer:
mr Goodwill [35]3 years ago
6 0

Answer:

i think its multiplication property of equality

Step-by-step explanation:

19 + n = 30

19 + n - 19 = 30 - 19

n = 11

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Danny has a garden that can hold up to 65 plants. He currently has 10 plants already planted. He buys packs of seeds. Each pack
12345 [234]

Answer:

14 Packs

Step-by-step explanation:

<em><u>65 In total. 10 Done.</u></em>

<em><u>55</u></em>

<em><u>Each pack has 4 seeds.</u></em>

<em><u>55/4</u></em>

<em><u>13.75</u></em>

<em><u>But answer can't be decimal.</u></em>

<em><u>So it will need 14 Packs.</u></em>

8 0
3 years ago
Read 2 more answers
A rental car company charges $80 per day to rent a car and $0.10 for every mile driven. Alyssa wants to rent a car, knowing that
anygoal [31]

Answer:

400

Step-by-step explanation:

Car A costs 80d + 0.25m, where d is days and m is miles. Car B costs 100d + 0.10m. If you plug in 3 for d and make the equations equal, you get 240 + 0.25m = 300 + 0.10m. Combining like terms gives you 0.15m = 60, and dividing gives you m = 400.

4 0
3 years ago
Which sum is equivalent to 7/9 + 5/6?
matrenka [14]

Answer:

The Answer is 29/18 and in mixed form it is 1 11/18

Step-by-step explanation:

Steps for adding fractions

Find the least common denominator or LCM of the two denominators:

LCM of 9 and 6 is 18

Next, find the equivalent fraction of both fractional numbers with denominator 18

For the 1st fraction, since 9 × 2 = 18,

7

9

=

7 × 2

9 × 2

=

14

18

Likewise, for the 2nd fraction, since 6 × 3 = 18,

5

6

=

5 × 3

6 × 3

=

15

18

Add the two like fractions:

14

18

+

15

18

=

14 + 15

18

= 29/18

So, 7/9 + 5/6 = 29/18

In mixed form: 1 11/18

4 0
3 years ago
each song cost 2 dollars plus 5 dollars she has no more then 40 dollars to spend which inequality shows how many songs she can b
alexgriva [62]
What are the answer choices so i can see which one is right?
6 0
4 years ago
if a 14 foot tree casts a 8 foot long shadow. how tall is a tree that casts a 4 foot long shadow?
kvasek [131]

7-foot

EXPLANAT

Given:

14 foot tree

8foot shadow

4foot shadow

Let h be the height of a tee that casts a 4 foot long shadow.

Using proportion;

14 foot = 8 ft shadow

h = 4 ft shadow

Cross - multiply

8h = 56

Divide both-side by 8

h = 7 foot.

Hence, the tree is 7-foot.

4 0
1 year ago
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