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3 years ago

(3 x 7) + (x+40) 7/2x-5) = 180 find x

Mathematics

2 answers:

astra-53 [7]3 years ago

5 0

Answer:

Brjdjdndnd

Step-by-step explanation:

Hdnfnfjfd

taurus [48]3 years ago

4 0

Answer:

xjzjdjdid

Step-by-step explanation:

eqsofiafhbs

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HELP WITH MATH!!!!!!!!

Likurg_2 [28]

Answer:

28 units sqr

Step-by-step explanation:

Area of Rectangle

A= Lw = 8(4) = 32

Area of Triangle

A= $\frac{b(h)}{2}$ = $\frac{2(4)}{2}$ = 4

32- 4 = 28 units sqr

8 0

2 years ago

Find the distance between these points. A(5,8), B(-3,4)

konstantin123 [22]

Answer:

Distance between the points is 8.94 units

Step-by-step explanation:

General formula:

${ \boxed{ \bf{distance = \sqrt{ {(x_{1} - x _{2} )}^{2} + {(y _{1} - y _{2} ) }^{2} } }}}$

substitute:

${ \sf{ = \sqrt{ {(5 - ( - 3))}^{2} + {(8 - 4)}^{2} } }} \\ = { \sf{ \sqrt{64 + 16} }} \\ = { \sf{ \sqrt{80} }} \\ = 8.94 \: units$

${ \underline{ \sf{ \blue{christ \: † \: alone}}}}$

6 0

2 years ago

Read 2 more answers

Simplify. 3/3-n - n/n-3

Black_prince [1.1K]

$\frac{3}{3-n}- \frac{n}{n-3}= \frac{3}{3-n}-(- \frac{n}{3-n})= \frac{3}{3-n}+\frac{n}{3-n}= \frac{3+n}{3-n}$

8 0

3 years ago

ABC IS a right angled triangle at B and D is a point on BC. If AD=18cm , BD=9cm and CD = 4 cm, find AC

leva [86]

$AB = \sqrt{ AD^{2} - BD^{2} } = \sqrt{243} = 9 \sqrt{3} 
$
$AC = \sqrt{ AB^{2} + BC^{2} } = \sqrt{412} = 2 \sqrt{103}$

4 0

3 years ago

7 + (10 − 4)2 ÷ 4 × 1\8

natta225 [31]

I’m pretty sure the answer is 12

6 0

2 years ago