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Mathematics

1 answer:

Svet_ta [14]3 years ago

8 0

Answer:

78.4

Step-by-step explanation:

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Combine the like terms to create an equivalent expression. 6t+7-2+t

madreJ [45]

Answer:7t+5

Step-by-step explanation:

Circle the 2 variables (T)

Next re-write the equation and put the varbiles equation 6t+t.

Then you have 7-2 left, you then put it next to the new equation but make sure when you do that it looks like this 6t+t+7-2.

Last you solve and your answer should be 7t+5.

Note: If a variable is alone like the t then make sure you put a one next to it

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3 years ago

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Free 100 points u dirt bags

dolphi86 [110]

Answer:

the first one

Step-by-step explanation:

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2 years ago

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Given the vectors A⃗ and B⃗ shown in the figure ((Figure 1) ), determine the magnitude of B⃗ −A⃗. A is 28 degrees above the posi

Vlad [161]

This problem is represented in the Figure below. So, we can find the components of each vector as follows:

$\bullet \ cos(28^{\circ})=\frac{Adjacent}{Hypotenuse}=\frac{A_{x}}{44} \\ \\ \therefore A_{x}=44cos(28^{\circ})=38.85m \\ \\ \\ \bullet \ sin(28^{\circ})=\frac{Opposite}{Hypotenuse}=\frac{A_{y}}{44} \\ \\ \therefore A_{y}=44sin(28^{\circ})=20.65m$

$\bullet \ cos(56^{\circ})=\frac{Adjacent}{Hypotenuse}=\frac{-B_{x}}{26.5} \\ \\ \therefore B_{x}=-26.5cos(56^{\circ})=-14.81m \\ \\ \\ \bullet \ sin(56^{\circ})=\frac{Opposite}{Hypotenuse}=\frac{B_{y}}{26.5} \\ \\ \therefore B_{y}=26.5sin(56^{\circ})=21.97m$