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3 years ago

A boy has 5 apples.His sister stole 2 apples from him.How many apples does he have now?

Mathematics

2 answers:

ivann1987 [24]3 years ago

4 0

Answer:

3 i need point!!:)

Step-by-step explanation:

Virty [35]3 years ago

4 0

Answer:

3 apples are still with the boy.

Step-by-step explanation:

5 - 2 = <u>3</u>

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Hope this helps

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2logbase4(x)-logbase4(5)=125

Goryan [66]

$D:x>0\\\\ 2\log_4x-\log_45=125\\ \log_4x^2-\log_45=\log_44^{125}\\ \log_4\dfrac{x^2}{5}=\log_44^{125}\\ \dfrac{x^2}{5}=4^{125}\\ x^2=5\cdot4^{125}=5\cdot2^{250}=5\cdot(2^{125})^2\\ x=\sqrt{5\cdot2^{250}} \vee x=-\sqrt{5\cdot2^{250}}\\ x=\sqrt{5\cdot4^{125}} \vee x=-\sqrt{5\cdot4^{125}}\\ x=\sqrt{5\cdot(2^{125})^2} \vee x=-\sqrt{5\cdot(2^{125})^2}\\ x=\sqrt5 \cdot\sqrt{(2^{125})^2} \vee x=-\sqrt5 \cdot\sqrt{(2^{125})^2} \\ x=2^{125}\sqrt5 \vee x=-2^{125}\sqrt5$

$x=-2^{125}\sqrt5 \not \in D\Rightarrow \boxed{x=2^{125}\sqrt5}$

7 0

3 years ago

A certain microorganism has a diameter of 1.03 x 108 cm. How is this number written in standard decimal notation?

Paladinen [302]

Answer:

111.24 is the decimal notation

1.1124 x10^2 is the scientific notation

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Are 0,2,5 closed or not under addition

kvasek [131]

Answer:

There are closed addition.

Step-by-step explanation:

Closure (mathematics) ... For example, the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers. Another example is the set containing only zero, which is closed under addition, subtraction and multiplication.

So, 0,2,5 are closed addition

Please mark me brainliest.

3 0

4 years ago

Evaluate 7+(-4×^2)for ×=0

NISA [10]

Plug in 0
7+(-4(0)^2)
7+(0)^2
7+0=7

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3 years ago

The perimeter of a rectangular pentagon is 100 inches. Find the length of each side

Nikolay [14]

solution:

$the perimeter of a regular pentagon is 100inches\\l+l+l+l+l=100\\now the combine terms\\5l=100\\l=\frac{100}{5}\\ =20 inches\\now,we solve for the length of each side by dividing both sides by 5.$

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3 years ago