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Valentin [98]
3 years ago
11

Can u please answer this sme one​

Mathematics
2 answers:
nata0808 [166]3 years ago
5 0

Answer:

Samir wins by 20 seconds

Step-by-step explanation:

Vedmedyk [2.9K]3 years ago
4 0

Answer:

Samir= 2 minutes and 30 seconds

Dan= 130= 2 minutes and 10 seconds

Step-by-step explanation:

Yep

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What is the fifth term of the sequence defined by f(n)=3(n-3)
egoroff_w [7]
f(5)=3(5-3)=3\cdot2=6
6 0
3 years ago
What angle does the piece of pie form? picture is added
Gwar [14]

Answer:

It forms a 90 degree angle

Step-by-step explanation:

Since a circle is 360 degrees, 1/4 of that would be 90.

8 0
3 years ago
Read 2 more answers
Write an expression that is equivalent to - 0.5(14a - 22) .
PSYCHO15rus [73]

\textsf{Hey \: there}

<h2>QUESTION</h2>

\mathsf{-0.5(14a - 22)}

<h2>FIRST YOU HAVE TO DISTRIBUTE:</h2>

\mathsf{(-0.5)(14a) + (-0.5)( -22)}

<h2>SOLVING FOR OUR ANSWER</h2>

\mathsf{(0.5)(14a) =  - 7a} \\   \\  \mathsf{( - 0.5)( - 22) = 11}

<h2 /><h2>NEW EQUATION/THE ANSWER YOU WERE LOOKING FOR </h2>

\boxed{ \bf{your \: answer:} \boxed{ \huge \textsf{  \bf- 7a  + 11}}} \checkmark

<h2>GOOD LUCK ON YOUR ASSIGNMENT AND ENJOY YOUR DAY!</h2>

~

\dfrac{\frak{LoveYourselfFirst}}{:)}

<h2>SIDE NOTE: THE DISTRIBUTIVE FORMULA IS</h2>

\text{a(b + c)} \\  \text{a(b) + a(c)} \\ \text{a(b) = ab} \\  \text{a(c) = ac} \\ \text{ \underline{ = ab + ac}}

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5 0
3 years ago
Read 2 more answers
−7x−6y=2<br> 7x+4y=−6<br> solve for x and y
ikadub [295]

Answer:

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:x=-2,\:y=2}

Step-by-step explanation:

\begin{bmatrix}-7x-6y=2\\ 7x+4y=-6\end{bmatrix}

\mathrm{Substitute\:}x=-\frac{2+6y}{7}

\begin{bmatrix}7\left(-\frac{2+6y}{7}\right)+4y=-6\end{bmatrix}

\begin{bmatrix}-2-2y=-6\end{bmatrix}

\mathrm{For\:}x=-\frac{2+6y}{7}

\mathrm{Substitute\:}y=2

x=-\frac{2+6\cdot \:2}{7}\\\\x=-2

5 0
2 years ago
what number, when added to the numerator and to the denominator of $\frac{5}{8}$, results in a fraction whose value is 0.4?
luda_lava [24]

The required number is -3 which when added to the numerator and to the denominator of 5/8 results in a fraction whose value is 0.4.

<h3>What is a fraction?</h3>

Fraction is the ratio of a particular part to the whole parts of an object. A fraction has a numerator and a denominator.

<h3>Calculation:</h3>

The given fraction is 5/8

Consider a number as 'x' which is added to both the numerator and the denominator of the given fraction.

So,

(5 + x)/(8 + x)

Since it is given that the result is 0.4 i.e., 4/10, we can write

(5 + x)/(8 + x) = 4/10

⇒ 10(5 + x) = 4(8 + x)

⇒ 50 + 10x = 32 + 4x

⇒ 10x - 4x = 32 - 50

⇒ 6x = -18

⇒ x = -18/6

∴ x = -3

Therefore, the required number is -3.

Check:

(5 + (-3))/(8 + (-3)) = (5 - 3)/(8 - 3) = 2/5 = 0.4

Learn more about fractions here:

brainly.com/question/17220365

#SPJ4

3 0
1 year ago
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