6. An exam worth 100 points contains 20 questions. Some questions are worth 4 marks, 8 questions are worth 5 marks and others are worth 7 marks. How many 7-mark questions are on the test?

.........

30 tháng 5 2022 - olm

#Toán lớp 4

1

O

Online1000

30 tháng 5 2022

8 ques - 4 marks

4 ques - 7 marks

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BF

Bloom Fairy of the Dragon Flame

21 tháng 4 2016 - olm

In a competitive exam, there are 50 questions. Students can score 3 marks for each correct answer while 2 marks are subtracted for each incorrect answer. If Mary answered 18 questions correctly, how many marks did she get?

#Toán lớp 6

0

JS

jennyfer store

13 tháng 2 2017 - olm

Alice’s mathematics exam had 30 algebra questions and 50 geometry questions, each worth 1 mark. She got 70% of the algebra questions correct, and 60% of her questions correct. How many geometry questions did she answer correctly?

#Toán lớp 5

5

T

thaivanuoc

13 tháng 2 2017

bang 700

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JS

jennyfer store

13 tháng 2 2017

cảm ơn cậu nhưng trên máy nó đề là 27

ai iups mình nhớ hi lời giải đầy đũ nhá

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AL

Angela Linh

1 tháng 6 2017 - olm

Alice’s mathematics exam had 30 algebra questions and 50 geometry questions, each worth 1 mark. She got 70% of the algebra questions correct, and 60% of her questions correct. How many geometry questions did she answer correctly?

#Toán lớp 5

1

CC

chi chăm chỉ

1 tháng 6 2017

She answered : 50. (60/100)= 30 geometry questions

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LQ

Lê Quỳnh Anh

9 tháng 9 2019

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Lessons from the _____ developed countries are worth learning to save our time.

A. economically

B. economic

C. economize

D. economical

#Mẫu giáo

1

DH

Dương Hoàn Anh

9 tháng 9 2019

Đáp án A

Cụm từ: economically developed country: nước có nền kinh tế phát triển

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NT

nguyen thu hien

9 tháng 4 2017 - olm

Alice’s mathematics exam had 30 algebra questions and 50 geometry questions, each worth 1 mark. She got 70% of the algebra questions correct, and 60% of her questions correct. How many geometry questions did she answer correctly?Answer: ………….....

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#Toán lớp 5

1

DD

Dương Đăng Khoa

VIP

11 tháng 3

ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

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LQ

Lê Quỳnh Anh

22 tháng 7 2019

Read the following passage, and answer the questions that followOn April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are...

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#Tiếng anh thí điểm lớp 8

1

DH

Dương Hoàn Anh

22 tháng 7 2019

Đáp án: It demolished/ destroyed 700 homes/ houses.

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DT

Descendants “Trúc Trần” of the Sun

5 tháng 2 2018

Find and correct the mixtake: 1.He would like Lan telling him something about HCM city. 2.There are many places worth to see in HCM city. 3.It was too windy so they have to sleep in the car. 4.I will ask the driver stopped the car. 5.The boy injuring in the accident was taken to hospital. 6.Many people are helping him by the rest of work. He is too tired to continue. 7.Everyone in the audience was enjoy his speech. 8.This is a breaking vase. We can not use it to contain water. 9.We don't mind...

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#Tiếng anh lớp 8

1

SO

suky oanh

5 tháng 2 2018

Find and correct the mixtake:
1.He would like Lan telling=>to tell him something about HCM city.
2.There are many places worth to see=>seeing in HCM city.
3.It was too windy so=>so windy that they have to sleep in the car.
4.I will ask the driver stopped=>to stop the car.
5.The boy injuring=>injured in the accident was taken to hospital.
7.Everyone in the audience was enjoy=>enjoyed his speech.
8.This is a breaking=>broken vase. We can not use it to contain water.
9.We don't mind to be=>being asked many questions. Make as many questions as possible.

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DH

Đàm Hoàng Phương Thảo

4 tháng 6 2018

Nam had a test with 25 questions. If his answer is right, 7 points is added and 2 points is subtracted for each wrong answer. No points are taken for unanswered questions. Finally Nam has got 95 points. How many questions did Nam answer correctly?

#Toán lớp 8

0