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Nadusha1986 [10]
3 years ago
12

How many are 4 x 4 ?​

Mathematics
1 answer:
kari74 [83]3 years ago
5 0

Answer: 16

Step-by-step explanation:

4 * 4 = 16

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77 prime or composite
Ludmilka [50]

<u><em>Seventy-seven is a composite number. </em></u>

Because you had to divide by eleven or seven. Then you can multiply by seven or eleven its equal to seventy-seven.

77/11=7

11*7=77

77/7=11

7*11=77

Final answer: \boxed{=77}

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

7 0
3 years ago
I have to find the length of the angle indicated for the trapezoid
Stels [109]
That is not a trapezoid, it is a general quadrilateral.  All 2-dimensional, 4-sided figures have an internal angle sum of 360 (triangles are 180).  So if you assume angles P and Q are right, they are each equal to 90 degrees, for a total of 180.
Subtract: 360 - 180 = 180.  We know that S + R must equal 180.  If you subtract 180 - 65, you get 115, which is obtuse (greater than 90 degrees).  This matches the drawing as the unknown angle is clearly greater than 90.  So the answer is 115 degrees.
6 0
3 years ago
Measuring the speed of sound in the ocean is an important part of marine research. One application is the study of climate chang
dalvyx [7]

Answer:

A linear formula for S as a function of D is S=17D+1534

Step-by-step explanation:

We are supposed to find a linear formula for S as a function of D.

Equation of line : y = mx+c

We are given that At the surface, the speed of sound is 1534 meters per second.

c = 1534

We are given that for each increase in depth by 1 km, the speed increases by 17 m/s

So, Slope = m = 17

Substitute the values in equation

y=17x+1534

x denotes depth

y denotes speed

We are given that Use D for depth and S for the speed of sound

So, S=17D+1534

Hence a linear formula for S as a function of D is S=17D+1534

7 0
3 years ago
5x(2x-y) -3y(2+3x) expand and simplify​
OleMash [197]

Answer:

10x² - 14xy -6y

Step-by-step explanation:

5x(2x-y)-3y(2+3x)

10x²-5xy-6y-9xy

10x² - 14xy - 6y

5 0
3 years ago
How do you do a question like this? 80% as a fraction in simplest form.
Gemiola [76]
Take away 0.20 of the amount.
3 0
3 years ago
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