3 years ago

Help me please!! I really really need it!! (:

Mathematics

1 answer:

rodikova [14]3 years ago

3 0

The answer is 2. Hope this helps!

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Write an equivalent expression by distributing the "-−" sign outside the parentheses:

charle [14.2K]

Answer:

6.6a+6b-7.1

Step-by-step explanation:

$-(-6.6a-6b)-7.1\\\\=-(-6.6a)-(-6b)-7.1\\\\=6.6a+6b-7.1$

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An experimenter used the following design for studying five variables in eight runs in four blocks of size 2. (a) By reordering

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A design in which all levels of each independent variable are combined with all levels of the other independent variables. A factorial design allows investigation of the separate main effects and interactions of two or more independent variables.

Step-by-step explanation:

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3 years ago

Bobby is 12 years old. His age is nine

KatRina [158]

Answer:

65 because 12 plus 9 is 21 then 3 times 21 is 65

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2 years ago

If Jaime is riding at 14 miles per hour and Cori is riding at 0.40 km per minute, how far will each of them bike in two hours? 1

user100 [1]

Answer:

just take speed =distance ÷time

dustance is speedxtime

14x1.61=22.54÷60 to change to min =0.37km per minute

0.40x0.37= 0.148 km

perhaps I may get wrong

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2 years ago

Write five names for -214

SashulF [63]

Five names for -214 are negative 214, drop of 214, minus 214, below 214, and taking away 214.

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3 years ago