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Andrew [12]
3 years ago
8

Hhhhhhhhhhhheeeeeeeelllllllllllpppppppppppp me

Mathematics
1 answer:
Anettt [7]3 years ago
4 0
I might be wrong but im pretty sure the answer is B.
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A wire is ⅝ meters long. it is divided into 2 equal parts. what is the length of each part​
mote1985 [20]

Answer:

5/16m long.

Step-by-step explanation:

  • 5/8  ÷  2/1
  • 5/8  ×  1/2
  •    =5/16m long.
7 0
2 years ago
Read 2 more answers
What is the focus of the parabola?<br><br> y=−14x2−2x−2
nataly862011 [7]
First, we need to transform the equation into its standard form (x - h)²=4p(y - k).
Using completing the square method:

y = -14x² - 2x - 2
y = -14(x² + 2x/14) - 2
y = -14(x² + 2x/14 + (2/28)²) -2 + (2/28)²
y = -14(x + 1/14)² - 391/196
-1/14(y + 391/196) = (x + 1/14)²

This is a vertical parabola and its focus <span>(h, k + p) is (-1/14, -391/196 + 1/56) = (-1/14, -775/392).

Or (-0.071,-1.977).</span>
3 0
3 years ago
The matrix C=[1,-2_-3,7] was used to encode a phrase to [7,-28,-25,-35,-2_-21,107,90,123,17]. Find C^-1 and use it to decode the
posledela
C=  \left[\begin{array}{cc}1&-2\\-3&7\end{array}\right]  \\ C^{-1}= \left[\begin{array}{cc}7&2\\3&1\end{array}\right]  \\ \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \times   \left[\begin{array}{ccccc}7&-28&-25&-35&-2\\-21&107&90&123&17\end{array}\right]  \\ =\left[\begin{array}{ccccc}49-42&-196+214&-175+180&-245+246&-14+34\\21-21&-84+107&-75+90&-105+123&-6+17\end{array}\right] \\ =\left[\begin{array}{ccccc}7&18&5&1&20\\0&23&15&18&11\end{array}\right]
is the required matrix.
6 0
3 years ago
Which statement about the equation is true?
zvonat [6]
C because you got to find the like term term
6 0
3 years ago
Read 2 more answers
A project can be completed by 5 workers in 24 days. How many workers are needed to finish the project in 15 days? The time to co
victus00 [196]

8

Step-by-step explanation:

5×4 equals 120 120 divided by 15 equals 8 which is the answer

8 0
3 years ago
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