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Lelechka [254]
3 years ago
7

X2 + 2x - 3= 5

Mathematics
1 answer:
blsea [12.9K]3 years ago
7 0

Answer:

the error is the second step as it dies to correspond

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Someone purchase 12 books. But needs 4 books for each of the projects ar school. How many projects would they need
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3 projects.
12/4=3. Please mark me brainliest rly wanna mark up!
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3 years ago
identify the type of conic section that has the equation 4x^2+25y^2=100 and identify its domain and range.
Vika [28.1K]

4x^2+25y^2=100

4x^2+25y^2=100 \\\\
Dividing \;both \;sides \;by \;100 \\\\
\frac{4x^2}{100}+ \frac{25y^2}{100}= \frac{100}{100} \\\\
\frac{x^2}{25}+ \frac{y^2}{4}= 1 \\\\
\frac{x^2}{5^2}+ \frac{y^2}{2^2}= 1 \\\\
This \;is \;an \;ellipse. \\\\ \frac{x^2}{a^2}+ \frac{y^2}{b^2}= 1

Domain of an ellipse is x ∈ [-a,a] and Range of an ellipse is y ∈ [-b,b].

So, given equation is an Ellipse where Domain is x ∈ [-5,5] and Range is y ∈ [-2,2].

4 0
3 years ago
On a long distance bike trip Annike started at 7 a.m and her average speed was 11 miles per hour and Celia travels 14 miles per
Troyanec [42]

Answer:

Annike's bike trip started at 7:00, if she and Celia both start at the same time you would multiply Annike's average speed by Celia's average speed to find where they would have completed the same number of miles

equation: 11×14=154 14×11=154

Step-by-step explanation:

counting by 11:

11 22 33 44 55 66 77 88 99 110 121 132 143 <em><u>154</u></em>

11 × 14 = 154

counting by 14:

14 28 42 56 70 84 98 112 126 140 <em><u>154</u></em>

14 × 11 = 154

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4 years ago
Tim bought 3 hat for 120/-. how much can he buy from 180/-<br><br> ASAP plz
Leni [432]

Answer: 16

Step-by-step explanation:

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3 years ago
Module 07: Project Option 1
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Where are the questions
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