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kumpel [21]
3 years ago
13

Please enter ill give brainilest so please

Mathematics
2 answers:
Anit [1.1K]3 years ago
5 0

Answer:

Answer:

ghjkld587654341687981

ds

Step-by-step explanation:

Answer:

ghjkld587654341687981

ds

Step-by-step explanation:

Answer:

ghjkld587654341687981

ds

Step-by-step explanation:

Step-by-step explanation:

lesya [120]3 years ago
5 0

Answer:

i just shidded

Step-by-step explanation:

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Please help me with these 4 problems
hodyreva [135]

Answer:

1. 4 times 8, the multiplication property 2. 34  minus 4, the subtraction property. 3. 14 divided by 3.5, the division property. 4. 10 + 6, the addition property.

Step-by-step explanation for all of the questions:

If the number in the beginning of the equation is being multiplied by another  number, it is the multiplication property. It is the same for all of the other properties.

5 0
2 years ago
If 2x2 -- 5x + 7 is
Leviafan [203]

Answer:

18

Step-by-step explanation:

5 0
3 years ago
A person stands 10 meters east of an intersection and watches a car driving towards the intersection from the north at 13 meters
In-s [12.5K]

Answer:

Therefore the rate change of distance between the car and the person at the instant, the car is 24 m from the intersection is 12 m/s.

Step-by-step explanation:

Given that,

A person stand 10 meters east of an intersection and watches a car driving towards the intersection from the north at 13 m/s.

From Pythagorean Theorem,

(The distance between car and person)²= (The distance of the car from intersection)²+ (The distance of the person from intersection)²+

Assume that the distance of the car from the intersection and from the person be x and y at any time t respectively.

∴y²= x²+10²

\Rightarrow y=\sqrt{x^2+100}

Differentiating with respect to t

\frac{dy}{dt}=\frac{1}{2\sqrt{x^2+100}}. 2x\frac{dx}{dt}

\Rightarrow \frac{dy}{dt}=\frac{x}{\sqrt{x^2+100}}. \frac{dx}{dt}

Since the car driving towards the intersection at 13 m/s.

so,\frac{dx}{dt}=-13

\therefore \frac{dy}{dt}=\frac{x}{\sqrt{x^2+100}}.(-13)

Now

\therefore \frac{dy}{dt}|_{x=24}=\frac{24}{\sqrt{24^2+100}}.(-13)

               =\frac{24\times (-13)}{\sqrt{676}}

               =\frac{24\times (-13)}{26}

               = -12 m/s

Negative sign denotes the distance between the car and the person decrease.

Therefore the rate change of distance between the car and the person at the instant, the car is 24 m from the intersection is 12 m/s.

8 0
2 years ago
PLEASEEEEE HELPPPPP!!!! D: (picture explains questions)
Molodets [167]

Answer:

DCB ~ RST

JKL ~ JTU

Step-by-step explanation:

7 0
3 years ago
Camille uses 7.9 pints of blue paint and white paint to paint her bedroom walls. 1/4 of this amount is blue paint, and the rest
Mila [183]
First you do 7.9/ 1/4, that gets you 1.975. that is how much blue paint there is. Then you do 7.9-1.975= 5.925, which is how much white paint she used. So in total she used 1.975 pints of blue paint, and 5.925 pints of white paint.
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3 years ago
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