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rewona [7]
3 years ago
14

Solve the equation x2 + 7x = 30.​

Mathematics
1 answer:
Law Incorporation [45]3 years ago
5 0

Answer:

2*7=14+6=30 points plz

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The question is in the picture down below.
jasenka [17]
I saw A and D but am not exactly sure. I am sure of the D tho
3 0
3 years ago
Write thirty-six and seven hundredths as a decimal number.<br> Please help
Scrat [10]

Answer:

36.07

Step-by-step explanation:

3*10 + 6*1 + 7 * \frac{1}{100} = 30 + 6 + 0.07 = 36.07

6 0
3 years ago
A farmer bought some laying hen. He split them into five equal group. Each group had double the number of red hens as white hens
scoray [572]

We have been given that there were 20 speckled hens in each group.

Now, we have been given that each group had half the number of red hens as speckled hens.

Therefore, in each group the number of red hens are

20\times \frac{1}{2} =10

Now, each group had double the number of red hens as white hens.

Number of white hens in each group is

10\times \frac{1}{2} =5

Hence, total number of hens is each group is 20+10+5 = 35

Now, he split them into five equal group.

Therefore, total number of hens the farmer bought is given by

35 \times 5 \\&#10;\\&#10;=175



7 0
3 years ago
Can someone help me with this? i’m struggling urgent help please!!!!
ICE Princess25 [194]

Answer:

Similar by SAS

Step-by-step explanation:

If you multiply the two given sides by 3/2 you will get the sides for the large triangle

3/2  * 10 = 30 / 2 = 15

3/2 * 24 = 72 / 2 = 36

Therefore they are similar by SAS postulate for similarity. Notice that the right angle is between the legs of the triangle. That is the main qualification that allows you to use SAS for similarity.

8 0
3 years ago
Read 2 more answers
Help me please djdjdd
Elena-2011 [213]

Answer:

-1 < x ≤ 3

Step-by-step explanation:

First, we need to simplify this inequality.

9 > -5x + 4 ≥ -11 (Given)

5 > -5x ≥ -15 (Subtract 4 on both sides)

-1 < x ≤ 3 (Divide -5 on both sides)

<em>Note that the signs flip due to dividing by a negative number.</em>

5 0
3 years ago
Read 2 more answers
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