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ANTONII [103]
3 years ago
13

6 + 2(2x-3) = 2x+12 =

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

Answer: 14

Step-by-step explanation: 6 + 2(2x-3) = 2x+12 =

This always first in a problem (2x-3) then 6 + 2 then answer (2) for 1st one

Then you do 2x+ 12 which is (14)

You might be interested in
Find the lateral area of the pyramid to the nearest whole number.
son4ous [18]

Answer:

The correct answer is first option.  204 m²

Step-by-step explanation:

Formula:-

Lateral surface area of square pyramid = 4 * area  of triangle

<u>To find the slant height of triangle(l)</u>

l = √(6² + 6²) = 6√2

To find the area of triangle

Area = bh/2

b = 12 m

h =  6√2

Area = (12 * 6√2)/2 = 36√2

<u>To find the lateral surface area of Prism</u>

Lateral surface area of square pyramid = 4 * area  of triangle

= 36√2 * 4 = 203.64 ≈ 204 m²

First answer is the correct option

7 0
3 years ago
Please help me with this math question
qwelly [4]
9cm

Imagine there are 2 triangles solve for one 3*3=9\2=4.5

Then add
4.5+4.5=9
7 0
3 years ago
one rectangle has a length 10 cm and width 5 cm the second rectangle has length 12 cm and width 4 cm are the two rectangles simi
tatuchka [14]

Answer:

No, they aren't similar.

Step-by-step explanation:

<u><em>Let's take the proportionality of their sides to check whether they are similar or not:</em></u>

\frac{10}{5} = \frac{12}{4}

=> 2 ≠ 3

So, they are not similar.

8 0
3 years ago
Helpp mee pleaseeeeeeeeee
bagirrra123 [75]

Answer:

6xwidthxlength

Step-by-step explanation:

it’s basic

5 0
3 years ago
Read 2 more answers
Consider the set of differences, denoted with d, between two dependent sets: 84, 85, 83, 63, 61, 100, 98. Find the sample standa
sveta [45]

Answer:

The sample standard deviation is 15.3.

Step-by-step explanation:

Given data items,

84, 85, 83, 63, 61, 100, 98,

Number of data items, N = 7,

Let x represents the data item,

Mean of the data points,

\bar{x}=\frac{84+85+83+63+61+100+98}{7}

=82

Hence, sample standard deviation would be,

\sigma= \sqrt{\frac{1}{N-1}\sum_{i=1}^{N} (x_i-\bar{x})^2}

=\sqrt{\frac{1}{6}\sum_{i=1}^{7} (x_i-82)^2}

=\sqrt{\frac{1}{6}\times 1396}

=\sqrt{232.666666667}

=15.2534149182

\approx 15.3

4 0
2 years ago
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