Top answers

5x(3+2) =?

5 x(3+2) =5x(5)= 25
HC
Answered by Harish C. • Maths tutor
2298 Views

What are three factors that can affect the rate of photosynthesis?

Carbon dioxide levels, light and temperature
ME
Answered by Maria E. • Biology tutor
4002 Views

The mass of the Earth is 6.0x10^24 kg and its radius is 6.4x10^6m, calculate the orbital speed of the moon around the earth, the orbit of the moon is a circle of approximate radius of 60R where R is the radius of the earth and a mass m.

M=6.0x10 24 kg create info list of information given in the question converting all values to SI units R=6.4x10 6 mF=GMm/r 2 F=mv 2 /r write down any necessary equations Force due to the gravitational attrac...
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Answered by Emma D. • Physics tutor
8723 Views

Find values for x and y from two simultaneous equations: 2x + y = 5 and 3x + y = 7

Rearrange one of the equations to make y the subject:y = 5 - 2x Substitute y into the other equation: 3x + 5 - 2x = 7 x = 2 y = 5 - (2 x 2) y = 1
MV
Answered by Marco V. • Maths tutor
4087 Views

How do you form the preterite tense in Spanish?

For a regular Spanish '-ar' verb, for example 'hablar' - to speak, we remove the -ar ending and replace it with the endings as follows:I - éyou - astehe/she - ówe - amosyou (pl.) - asteisthey - aronThe struc...
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Answered by Alexander B. • Spanish tutor
2624 Views