3 years ago

An injectable solution contains 500mg in each 0.7 mL Express above as a ratio.

Mathematics

1 answer:

Elden [556K]3 years ago

4 0

650mg per 1 mL, I'm not completely sure of the answer, as you did not provide enough information.<span />

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Brianna just finished a great meal at a restaurant in Wisconsin. The sales tax in Wisconsin is 5%, and it is customary to leave

emmainna [20.7K]

15% = 0.15
tip = 15 * 0.15 = 2.25

5% = 0.05
tax = 15 * 0.15 = 0.75

total = 15 + 0.75 + 2.25 = $18

7 0

3 years ago

The points (3,9) and (-3,-9) are plotted on the coordinate plane using the equation y= a•x. What is the value of a?

8_murik_8 [283]

A=3

The equation y=3x goes through both points

Hope I helped

5 0

3 years ago

Does anyone know how to do this question ??

Viktor [21]

Y^2-9^2

(y-9)(y+9)

To see if its right:

y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2

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3 years ago

The angle of elevation of the top of a tower from a point 100m away is 45 degrees. What is the height of the tower to the neares

vladimir2022 [97]

Answer:

SOHCAHTOA.

TOA=opposite/adjacent.

Tan45=100/h.

h tan45=100.

h×1=100.

h=100m

7 0

3 years ago

Read 2 more answers

All the given quadrilaterals in the picture on the right are squares and #1 ≅ #3, #2 ≅ # 4. find the area of the shaded region,

Anika [276]

Answer:

Step-by-step explanation:

If you have a square of side $l$ , its diagonal would be $l\sqrt{2}$ , and its area $l^2$

If the big square has a area of 900, this implies that its side is $\sqrt{900}$ , so the two diagonal of squares 2 and 4 added together would be $\sqrt{900}$ , therefore one diagonal wold be $\frac{\sqrt{900}}{2}$ . and its side $\frac{\sqrt{900}}{2}\frac{1}{\sqrt{2}}$ . The area (of one square) is $(\frac{\sqrt{900}}{2}\frac{1}{\sqrt{2}})^2=\frac{225}{2}$

finally the two areas combined (squares 2 and 4) would be 225

6 0

2 years ago