3 years ago

Estimate the sum 4.86+9.57

Mathematics

2 answers:

tankabanditka [31]3 years ago

5 0

Step-by-step explanation:

here is the my estimation for this is is 14.43

ValentinkaMS [17]3 years ago

4 0

Answer:

about 14 or 14.3 to be more specific

Step-by-step explanation:

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180?

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Ede4ka [16]

$\left[\begin{array}{ccc}22&18\end{array}\right]\times\left[\begin{array}{cccc}5&18&32&40\\25&40&38&12\end{array}\right]\\\\=\left[\begin{array}{cccc}22\cdot5+18\cdot25&22\cdot18+18\cdot40&22\cdot32+18\cdot38&22\cdot40+18\cdot12\end{array}\right]\\\\=\left[\begin{array}{cccc}560&1116&1388&1096\end{array}\right]$

second question:

January: 32 · 22 + 38 · 18 = 704 + 684 = 1388

December: 18 · 22 + 40 · 18 = 396 + 720 = 1116

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3 years ago

Solve the following system of equations using substitution. What is the value of y?

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3 years ago

Estimate the sum 4.86+9.57​

Estimate the sum 4.86+9.57