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Serjik
15 days ago
5

Samhir writes down all of the odd numbers between 500 and 700 that are divisible by both 7 and 9. What is the sum of the numbers

Samhir writes?
Mathematics
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In 2010, Rafik bought a house. In 2015, Rafik sold the house to Bianca. He made a 20% profit on the sale. In 2019, Bianca sold t
zzz [12365]

Answer:

£170,000

Step-by-step explanation:

En 2010, Rafik adquirió una casa. Supongamos que el precio de compra fue $x. En 2015, Rafik vendió la casa a Bianca obteniendo un 20% de ganancia. Esto se traduce en 20% de x lo que equivale a 0.2 × x = 0.2x. Por tanto, Rafik vendió la casa a Bianca por x + 0.2x = 1.2x. Bianca compró la casa a 1.2x.

La casa fue vendida por Bianca en 2019 con una pérdida del 5%. Esto implica que el 5% de pérdida equivale a 0.05(1.2x) = 0.06x.

Por consiguiente, la venta de la casa por Bianca se realizó a 1.2x - 0.06x = 1.14x. Dado que la casa se vendió por £193,800.

⇒ 1.14x = 193,800

x = 193,800/1.14

x = £170,000

Rafik pagó £170,000 por la casa en 2010.

7 0
4 months ago
What is the fewest number of points you must plot in order to have examples of all four sets of​ numbers, including at least one
lawyer [12517]

Answer:

Let’s outline the sets:

Integers: The collection of all whole numbers.

Rational: Numbers that can be expressed as the ratio of two integers.

Natural: The collection of positive integers.

Whole numbers: All the values obtainable by repeatedly adding (or subtracting) 1 to a number.

Thus:

2 qualifies as a:

Whole number, because 1 + 1 = 2 (therefore, it’s also an integer).

We can express 2 as 4/2.

As 2 is the fraction of two integers, it is also considered rational.

Since 2 is positive and an integer, it falls into the category of natural numbers.

Therefore, the number 2 exemplifies all four sets.

If we include a negative example, we can consider -3.

-3 is classified as an integer, is not a whole number, and with 9/-3 = -3, thus it is also a rational number.

Now, addressing the questions:

a) Although a single example can be used across all four sets, I have chosen 2 in this instance.

b) Similarly, I demonstrated that 2, as a positive integer, belongs to all four sets, thus:

Positive integers belong to:

The set of integers.

The set of natural numbers.

The set of rational numbers.

The set of whole numbers.

8 0
3 months ago
In a hospital, there are 250 registered nurses. 100 of the nurses are males. What is the ratio of male nurses to female nurses i
lawyer [12517]

Answer:

The male to female nurse ratio in simplest form is: 2:5

Step-by-step explanation:

Fact: A hospital has a total of 250 registered nurses.

Total number of male nurses is 100

Total number of female nurses is 250 - 100 = 150 [Total nurses minus number of male nurses]

To determine the ratio of male to female nurses in simplest terms;

A ratio indicates the relative proportions of two or more quantities.

Thus,

\frac{Number of male nurses}{Number of female nurses} = \frac{100}{250}

or

= \frac{100}{250} =\frac{10}{25} =\frac{2}{5} = 2:5

Consequently, the male to female nurses ratio in simplest form is; 2:5

7 0
3 months ago
Read 2 more answers
3. Terdapat dua bidang saling berpotongan dan tidak berhimpitan maka
Svet_ta [12734]

Kelas: VII (1 SMP)

Materi: Geometri

Kata Kunci: Garis, Sisi, Rusuk, Bidang

Pembahasan:

Suatu titik dalam geometri adalah elemen paling dasar, menunjukkan posisi yang tidak memiliki ukuran (nol panjang, nol lebar, dan nol tinggi) dan dilambangkan dengan huruf kapital.

Garis terdiri dari kumpulan titik yang memanjang tanpa batas di kedua arah.

Ruas garis adalah bagian dari garis yang terdiri dari dua titik ujung dan dinamai menurut kedua titik tersebut.

Sinar garis adalah segmen dari garis dengan hanya satu titik ujung. Dinamai berdasarkan titik ujung dan titik lain di sepanjang sinar tersebut.

Sudut terbentuk dari dua sinar yang memiliki titik ujung yang sama yang dikenal sebagai titik sudut; sinar-sinar tersebut disebut sisi-sisi sudut.

Bidang terdiri dari titik-titik tak terhingga yang membentuk permukaan datar dan meluas tanpa batas. Memiliki panjang dan lebar tak terhingga, tetapi tinggi nol. Bidang biasanya ditunjukkan dengan gambar segi empat dan dinamakan dengan huruf besar.

Rusuk adalah garis hasil pertemuan dua sisi pada bidang.

Dua bidang dapat dikatakan berpotongan jika ada garis potong antara keduanya.

Bidang sejajar apabila tidak ada garis perpotongan yang terbentuk di antara keduanya.

Dua bidang disebut berhimpitan jika semua titik terletak pada keduanya.

Mari kita analisa soal ini.

Apabila dua bidang saling bersilangan dan tidak berhimpit, maka perpotongan mereka akan membentuk garis.

Oleh karena itu, jawabannya adalah B.

Semangat!

4 0
2 months ago
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