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Andrews [41]
3 years ago
8

7. John has seven times as many books as Bob. Together they have 24 books. How many books does John have?

Mathematics
2 answers:
topjm [15]3 years ago
8 0
21 because bob has 3 and 3 times 7 is 21 plus 3 is 24
vaieri [72.5K]3 years ago
5 0

Answer:

B; 3 books

Step-by-step explanation:

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Answer:

S is not the subspace of R^2

Step-by-step explanation:

Let us suppose two vectors u and v belong to the S such that the property of xy≥0 is verified than

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Now S will be termed as subspace of R2 if

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Taking u+v

u+v=\left[\begin{array}{c}-1 \\0\end{array}\right]+\left[\begin{array}{c}0 \\1\end{array}\right]\\u+v=\left[\begin{array}{c}-1+0 \\0+1\end{array}\right]\\u+v=\left[\begin{array}{c}-1 \\1\end{array}\right]

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3 0
3 years ago
Selim is ordering concrete spheres to place as barriers in the city park. The spheres cost $2 per square foot, and Selim can spe
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can you give me points ??

6 0
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First to answer gets brainiest
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Answer:

V = 67 1/2 cm^3

Step-by-step explanation:

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