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stepan [7]
4 years ago
5

Amanda's poster is 0.85 meter long. Orlando's poster is 0.55 meter less than 1 meter long. what expression would show the length

s of the poster
Mathematics
1 answer:
Tresset [83]4 years ago
7 0
If you would like to know what expression would show the length of the poster, you can calculate this using the following step:

Amanda's poster ... 0.85 meter long
Orlando's poster ... 0.55 meter less than 1 meter long: 1 meter - 0.55 meter = 0.45 meter
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4<br>-5a+b=8<br>7a +9b = -32<br>I need to use substitution for this one. Help?​
Sauron [17]

Answer:

<h2>a = -2, b = -2 </h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}-5a+b=8&\text{add}\ 5a\ \text{to both sides}\\7a+9b=-32\end{array}\right\\\\\left\{\begin{array}{ccc}b=5a+8&(1)\\7a+9b=-32&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\7a+9(5a+8)=-32\qquad\text{use the distributive property}\\\\7a+(9)(5a)+(9)(8)=-32\\\\7a+45a+72=-32\qquad\text{subtract 72 from both sides}\\\\52a=-104\qquad\text{divide both sides by 52}\\\\\boxed{a=-2}\\\\\text{Put the value of}\ a\ \text{to (1):}\\\\b=5(-2)+8\\\\b=-10+8\\\\\boxed{b=-2}

8 0
3 years ago
H(t)=1.5t+3 what is the best pediction for the height of the plant after 12 weeks?
tensa zangetsu [6.8K]

Answer:

h=21

Step-by-step explanation:

h=1.5t+3

h=1.5(12)+3

h=18+3

h=21

6 0
3 years ago
Read 2 more answers
Pls answer this question
eimsori [14]

Answer:

1) B

Step-by-step explanation:

1)

The formula for the volume of a prism is h * l * w

So, if we do that we get 25/18

2) B

Lets say we talk the top surface, there are 30 cubes on that surface and we want to find the volume of one cube so we are going to divide by 50. we take the measurements which are 5/6 and 1 for the top surface and we multiply. We get an answer of 5/6 now we divide by 30

So...

5/6 * 1/30 (We switched the numbers around because we are dividing.)

5/6 * 1/30 = 5/180 now we can simplify this to 1/36.

5 and 180 are a factor of 5

Hope this helps

8 0
3 years ago
In AJKL, if m2 J = 90°, then K and j are
Finger [1]
You should have put a picture so we could see the graph
3 0
3 years ago
What is the value below when c=5 and d=4?<br><br> 6c2 – 5d + 8
Bas_tet [7]

Answer:

48

Step-by-step explanation:

(6×5×2)-(5×4)+8

=60-20+8

=48

4 0
3 years ago
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