💰✍️ 〰️〰️〰️ In triangle XYZ, a line segment VW is parallel to XZ, with VW = 35 and XZ = 55, as shown in the figure. If YV = a, VX = c, YW = b, and WZ = d, and we are given a/c = k and b/d= k, what is the value of k?

💰✍️〰️〰️〰️ A research manager selected 2 random samples of ovens of a certain type to estimate the average amount of time this type of oven takes to preheat to 350 degrees Fahrenheit (°F). The research manager recorded the amount of time, in minutes, each oven takes to preheat to 350°F. Based on the first sample, the research manager estimated that this type of oven takes an average of 14.2 minutes to preheat to 350°F, with an associated margin of error of 1 minute. Based on the second sample, the research manager estimated that this type of oven takes an average of 14.4 minutes to preheat to 350°F, with an associated margin of error of 2.2 minutes. Assuming the margins of error were calculated the same way, which of the following best explains why the first sample obtained a smaller margin of error than the second sample?

A) The first sample contained fewer ovens than the second sample.

B) The first sample contained more ovens than the second sample.

C) The first sample took less time on average to preheat to 350°F than the second sample.

D) The first sample took more time on average to preheat to 350°F than the second sample.

MS SAVOLI : Qani shu savolga bir urinib ko'raylikchi?

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💤 Yana 2 kundan keyin(22.08.26) SAT-Avgust imtihoni bo'lib o'tadi, imtihonga kiradiganlar oramizda mavjudmi?

💰✍️〰️〰️〰️ Mart 14 savoli

sinx +sin(x+d) +sin(x+2d)+sin(x+3d)...........+sin(x+(n-1)d)=?

📌 Va'daga vafo deganlaridek.....

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💤 Qachondan beri bollarni "aldab" yurgandim hech qo'l tegmay. Ko'ringlarchi ma'qul kelsa, like

Bir maktabdagi 135 talaba, bayram ta’tilida uylariga borish va uylaridan qaytish uchun A yoki B avtobus firmalari bilan sayohat qilishadi. Talabalarning 75 tasi borishda A firmasini, 90 tasi qaytishda B firmasini tanlashgan, 86 talaba borish va qaytishda har xil firmalar bilan sayohat qilishgan. Bunga ko‘ra, B firmasi bilan borib, A firmasi bilan qaytgan umumiy talabalar soni nechta?

Bugungi SAT examga kirgan o'quvchilarimizga omad.

Ushbu savollar leak deb tarqatishyapti qanchalik rost buni endi aniqlaymiz

🌟Collegeboard yozyapti : Bu hafta oxirida taxminan 300 000 talaba kuz imtihon mavsumining birinchi SAT imtihonini topshirish uchun tayyorlanmoqda.

100 yil oldin 8 040 talaba birinchi SAT imtihonini topshirgan edi. Ushbu imtihon shundan beri jiddiy o'zgarishlarga uchragan, ammo u hali ham talabalarga kuch beradi va imkoniyatlar eshigini ochadi.