3 years ago

Evaluate 7x – y if x = 9 and y = 3

Mathematics

1 answer:

Mila [183]3 years ago

5 0

7x-y

7(9)-(3)

63-3

The answer is 3

You might be interested in

8. Which equation best represents the line

jeka94

Step-by-step explanation:

first one

when x=0, y=4

wheb x=4, y=0

3 0

3 years ago

Find the surface area of a pyramid

Cerrena [4.2K]

Answer:

$A=lw+l\sqrt{(\frac{1}{2}w) ^{2} +h^{2} } +w\sqrt{(\frac{1}{2}l) ^{2} +h^{2} }$

Step-by-step explanation:

The formula for the surface area of a pyramid is $A=lw+l\sqrt{(\frac{1}{2}w) ^{2} +h^{2} } +w\sqrt{(\frac{1}{2}l) ^{2} +h^{2} }$

7 0

3 years ago

Can someone help me get this please???

jarptica [38.1K]

Answer:

With respect to the reference angle, one leg is the adjacent leg, or the leg right next to the reference angle; and the other leg is the opposite leg, or the leg on the opposite side of the triangle. If two triangles are similar, the ratios of corresponding sides are equal.

5 0

3 years ago

Write 23% as a fraction

Minchanka [31]

Answer:

23/100

Step-by-step explanation:

8 0

2 years ago

Wich fraction can be replaced with one half when estemating fraction

s2008m [1.1K]

<span>Wich fraction can be replaced with one half when estemating fraction

Example
</span> $\dfrac{3}{4}* half= \dfrac{3}{4}* \dfrac{1}{2}= \dfrac{3*1}{4*2}= \boxed{ \frac{3}{8} }$ <span>
</span>

4 0

3 years ago