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QveST [7]
3 years ago
12

CAN SOMEONE HELP PLZ

Mathematics
2 answers:
mezya [45]3 years ago
8 0

Answe

b

no eoys tsuroeg

Alinara [238K]3 years ago
7 0

its defiantly B or A

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Solve -8x + 4 ≤ 36<br><br>A. x ≥ -4<br><br>B. x ≤ 4<br><br>C. x ≥ 4<br><br>D. x ≤ -4
nexus9112 [7]
- 8x + 4 ≤ 36
Subtract 4 from both sides.
-8x ≤ 32
Divide both sides by -8.        When dividing by a negative number change the
 x ≥  - 4                                   inequality sign.
Letter A
7 0
3 years ago
Show your work and plz help me !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
AveGali [126]

Answer:

p = 16

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{FD}{HF} = \frac{DE}{FG} , substitute values

\frac{p}{12} = \frac{32}{24} ( cross- multiply )

24p = 384 ( divide both sides by 24 )

p = 16

8 0
3 years ago
Mark dropped an object from a bridge 400 feet above the ground level with an initial velocity of 0. He knows that the gravitatio
lisabon 2012 [21]

Answer:

The first listed equation is the correct equation to solve

The correct answer is: t = 5 seconds

Step-by-step explanation:

Let me mention first that there is an error in the statement that the gravitational pull of the Earth is 16 ft/s^2. It is in fact 32 ft/s^2, and the actual equation uses half of the acceleration multiplied by the square of the variable time, so it gives as final expression :

y(t)=-16\,t^2+ 0 \,t +400

and we want to find the value/s for "t" that make this equation equal zero (when it reaches the ground and the object just touches the ground. This makes the equation we want to solve:

0=-16\,t^2+ 0 \,t +400\\16\,t^2+0\,t -400=0

which solving for "t" becomes:

16\,t^2-400 =0\\16\,t^2=400\\t^2=\frac{400}{16} \\t^2=25\\t= +/- 5\,\,sec

So we adopt the positive answer (positive time) since the negative value has no physical meaning for this problem.

That is: t = 5 seconds

6 0
3 years ago
If 3 centimeters is equal to 30 millimeters, how many centimeters are in 140 millimeters?
harina [27]

Answer:

14

Step-by-step explanation:

divide by 10

3 0
3 years ago
Read 2 more answers
Solve for x.<br> 144°<br> 18 degrees<br> 30 degrees<br> 48 degrees<br> 120 degrees
disa [49]

Answer:

<h2><u><em>x = 18 °</em></u></h2>

Step-by-step explanation:

you have a rotation angle of 360 °, take out the known values ​​(360 ° -90 ° -144 ° = 126), 144 ° is part of a flat angle of 180 °, from 180 ° remove 144 and you have 36 °, they are opposite angles therefore the same. therefore 360 ​​- 144 - 90 - 36 - 36 = 54.

54 is 3x, so x = 18 ° (54 : 3 = 18)

7 0
2 years ago
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