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2 years ago

There7 dogs and 7 rows how many are there

Mathematics

2 answers:

Novosadov [1.4K]2 years ago

8 0

Answer:

49 dogs

Step-by-step explanation:

an array of 7 dogs in 7 rows makes up 49 dogs.

7 times 7 is 49

faust18 [17]2 years ago

6 0

Answer:

7 x 7 = 49

Step-by-step explanation:

hope it helps, please mark as brainliest please

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Find the values of x,y,z. This diagram is not a scale.

Serjik [45]

Important:
   The sum of the three angles inside
      every triangle is always 180°.

First, look at the left triangle alone.
Two of its angles are 46° and 58° . (46° + 58° ) = 104°
That leaves (180° - 104° ) = 76° degrees for the third angle.
The third angle in that triangle is 'x'.
   x = 76° .

At the point where 'x' and 'z' come together:
'x' and 'z' are a "linear pair".
Placed side-by-side, they form a straight line.
So (x + z) = 180° .
But x = 76°.
So z = (180° - 76°).    z = 104° .

Now look at the the skinny triangle on the right alone.
The angle at the top is 13°, and z = 104°.
(13° + 104°) = 117° .
That leaves (180° - 117°) = 63° for the third angle.
'y' is the third angle.
   y = 63° .

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2 years ago

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What is the interquartile range of the data? 120, 140, 150, 195, 203, 226, 245, 280 235.5

zheka24 [161]

For the first one it's 90.5, I know cause I just took the test and it's right. The second one I'm not sure..

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2 years ago

Simplify 7j-6k-5j+4k which explanation please:)

Phantasy [73]

Step 1. Gather like terms

 $(7j-5j)+(-6k+4k)$

Step 2. Simplify

 $2j-2k$

Done! Hope this helps :)

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2 years ago

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Describe how to find the Greatest common factor if two numbers by using prime factorization

gizmo_the_mogwai [7]

To find the greatest common factor using prime factorization by only using prime number divided into the dividend then you continue til it reaches 1 then the prime factorization would look like this e.g. 2×3×5×11

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2 years ago

Between x=2 and x=3, which function has a greater average rate of change than f(x)=2^x has?

maxonik [38]

Answer: f(3)

Step-by-step explanation:

First find the formula for the rate of change by taking the derivative of 2^x. Let f(x) equal some hypothetical y-value, then take the natural log of both sides.

$y=2^x\\\ln(y)=x \ln(2)$

Implicitly differentiate the left side and take the derivative of the right side

$\frac{y'}{y} =\ln(2)$

Multiply both sides by 'y' which was defined as 2^x

$y'=\ln(2)*2^x$

Plug in x = 2 and x = 3 to see which slope is larger

$y'=\ln(2)*2^2=4\ln(2)\\y'=\ln(2)*2^3=8\ln(2)$

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2 years ago