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Rashid [163]
3 years ago
5

Hello I need "help"

Mathematics
2 answers:
nirvana33 [79]3 years ago
5 0

Answer:

brainly.com/question/21745542

Step-by-step explanation:

can you help me please ^

Vladimir [108]3 years ago
3 0

Answer:

umm sorry friend but im too dΩmb for this

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‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎
nevsk [136]

Answer:

x = 2 and x = 4

Step-by-step explanation:

The solution of the given equation is shown on the graph

<u>There are two intercepts with coordinates of</u>

  • (2, 2) and (4, -22)

<u>The x-coordinates are </u>

  • x= 2 and x= 4

Correct option is 3 or C.

7 0
4 years ago
Read 2 more answers
A prism is dilated by a factor of 1.5. How many times larger is the volume of the resulting prism than the volume of the origina
Margarita [4]
By the term dilated we mean to say that the dimensions of the new polyhedron is increase to a certain size by that times. For the volume, this dilation scale should be cubed in order to determine the number of times the volume of new figure is larger than the original.
                                    r = (1.5)³
                                      = 3.375
Thus, the volume of the new prism is 3.375 times larger than the volume of the original prism. 
6 0
3 years ago
Read 2 more answers
] Complete the explanation of how you know whether the triangles are similar. If possible, find the Indicated length. A P 2.0 1.
disa [49]

1. The two triangles are similar because the two pairs of angles are equal, therefore the third angles of both triangles must also be equal.

We can call this the AAA similarity criterion

2. To find QR, we must use ratios between 2 known similar sides of both triangles,

\frac{2.0}{1.7}=\frac{1.2}{QR}\text{  , QR=}\frac{1.2\times1.7}{2.0}=\text{ 1.02}

So, QR =1.02

5 0
1 year ago
Gears A and B turn together. Gear A turns 20 times when
Bingel [31]

Answer: Gear B turns 90 times when gear A turns 60 times

Step-by-step explanation: To solve this you just 30x3=90

7 0
3 years ago
To save money, a local charity organization wants to target its mailing requests for donations to individuals who are most suppo
mars1129 [50]

Answer:

The 80% confidence interval for difference between two means is (0.85, 1.55).

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for difference between two means is:

CI=(\bar x_{1}-\bar x_{2})\pm t_{\alpha/2,(n_{1}+n_{2}-2)}\times SE_{\bar x_{1}-\bar x_{2}}

Given:

\bar x_{1}=M_{1}=6.1\\\bar x_{2}=M_{2}=4.9\\SE_{\bar x_{1}-\bar x_{2}}=0.25

Confidence level = 80%

t_{\alpha/2, (n_{1}+n_{2}-2)}=t_{0.20/2, (5+5-2)}=t_{0.10,8}=1.397

*Use a <em>t</em>-table for the critical value.

Compute the 80% confidence interval for difference between two means as follows:

CI=(6.1-4.9)\pm 1.397\times 0.25\\=1.2\pm 0.34925\\=(0.85075, 1.54925)\\\approx(0.85, 1.55)

Thus, the 80% confidence interval for difference between two means is (0.85, 1.55).

3 0
3 years ago
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